Home / 90,525.21-124,895.88-52,279.71

Finding the Fourth Proportional to 90,525.21, 124,895.88 and 52,279.71

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Solution

The fourth proportional to 90,525.21, 124,895.88 and 52,279.71 is: 72,129.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,525.21 : 124,895.88 = 52,279.71 : x
  2. Step 2: Convert to fraction form
    90,525.21/124,895.88 = 52,279.71/x
  3. Step 3: Cross multiply
    90,525.21x = 124,895.88 × 52,279.71
  4. Step 4: Simplify right side
    90,525.21x = 6,529,520,386.59
  5. Step 5: Solve for x
    x = 6,529,520,386.59/90,525.21
  6. Step 6: Final answer
    x = 72,129.30

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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.