Home / 66,140.94-91,279.05-37,460.25

Finding the Fourth Proportional to 66,140.94, 91,279.05 and 37,460.25

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Solution

The fourth proportional to 66,140.94, 91,279.05 and 37,460.25 is: 51,697.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,140.94 : 91,279.05 = 37,460.25 : x
  2. Step 2: Convert to fraction form
    66,140.94/91,279.05 = 37,460.25/x
  3. Step 3: Cross multiply
    66,140.94x = 91,279.05 × 37,460.25
  4. Step 4: Simplify right side
    66,140.94x = 3,419,336,032.76
  5. Step 5: Solve for x
    x = 3,419,336,032.76/66,140.94
  6. Step 6: Final answer
    x = 51,697.72

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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.