Home / 67,618.08-93,309.12-37,402.32

Finding the Fourth Proportional to 67,618.08, 93,309.12 and 37,402.32

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Solution

The fourth proportional to 67,618.08, 93,309.12 and 37,402.32 is: 51,613.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,618.08 : 93,309.12 = 37,402.32 : x
  2. Step 2: Convert to fraction form
    67,618.08/93,309.12 = 37,402.32/x
  3. Step 3: Cross multiply
    67,618.08x = 93,309.12 × 37,402.32
  4. Step 4: Simplify right side
    67,618.08x = 3,489,977,565.16
  5. Step 5: Solve for x
    x = 3,489,977,565.16/67,618.08
  6. Step 6: Final answer
    x = 51,613.08

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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.