Home / 66,460.34-91,711.61-37,776.02

Finding the Fourth Proportional to 66,460.34, 91,711.61 and 37,776.02

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Solution

The fourth proportional to 66,460.34, 91,711.61 and 37,776.02 is: 52,128.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,460.34 : 91,711.61 = 37,776.02 : x
  2. Step 2: Convert to fraction form
    66,460.34/91,711.61 = 37,776.02/x
  3. Step 3: Cross multiply
    66,460.34x = 91,711.61 × 37,776.02
  4. Step 4: Simplify right side
    66,460.34x = 3,464,498,966.15
  5. Step 5: Solve for x
    x = 3,464,498,966.15/66,460.34
  6. Step 6: Final answer
    x = 52,128.82

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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.