Home / 66,498.32-91,684.68-42,585.68

Finding the Fourth Proportional to 66,498.32, 91,684.68 and 42,585.68

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Solution

The fourth proportional to 66,498.32, 91,684.68 and 42,585.68 is: 58,715.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,498.32 : 91,684.68 = 42,585.68 : x
  2. Step 2: Convert to fraction form
    66,498.32/91,684.68 = 42,585.68/x
  3. Step 3: Cross multiply
    66,498.32x = 91,684.68 × 42,585.68
  4. Step 4: Simplify right side
    66,498.32x = 3,904,454,443.38
  5. Step 5: Solve for x
    x = 3,904,454,443.38/66,498.32
  6. Step 6: Final answer
    x = 58,715.08

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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.