Home / 67,904.10-93,718.92-39,609.84

Finding the Fourth Proportional to 67,904.10, 93,718.92 and 39,609.84

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Solution

The fourth proportional to 67,904.10, 93,718.92 and 39,609.84 is: 54,668.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,904.10 : 93,718.92 = 39,609.84 : x
  2. Step 2: Convert to fraction form
    67,904.10/93,718.92 = 39,609.84/x
  3. Step 3: Cross multiply
    67,904.10x = 93,718.92 × 39,609.84
  4. Step 4: Simplify right side
    67,904.10x = 3,712,191,426.17
  5. Step 5: Solve for x
    x = 3,712,191,426.17/67,904.10
  6. Step 6: Final answer
    x = 54,668.15

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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.