Home / 90,010.76-124,173.48-52,277.72

Finding the Fourth Proportional to 90,010.76, 124,173.48 and 52,277.72

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Solution

The fourth proportional to 90,010.76, 124,173.48 and 52,277.72 is: 72,119.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,010.76 : 124,173.48 = 52,277.72 : x
  2. Step 2: Convert to fraction form
    90,010.76/124,173.48 = 52,277.72/x
  3. Step 3: Cross multiply
    90,010.76x = 124,173.48 × 52,277.72
  4. Step 4: Simplify right side
    90,010.76x = 6,491,506,418.87
  5. Step 5: Solve for x
    x = 6,491,506,418.87/90,010.76
  6. Step 6: Final answer
    x = 72,119.23

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.