Home / 67,654.08-93,354.84-38,977.92

Finding the Fourth Proportional to 67,654.08, 93,354.84 and 38,977.92

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Solution

The fourth proportional to 67,654.08, 93,354.84 and 38,977.92 is: 53,785.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,654.08 : 93,354.84 = 38,977.92 : x
  2. Step 2: Convert to fraction form
    67,654.08/93,354.84 = 38,977.92/x
  3. Step 3: Cross multiply
    67,654.08x = 93,354.84 × 38,977.92
  4. Step 4: Simplify right side
    67,654.08x = 3,638,777,485.13
  5. Step 5: Solve for x
    x = 3,638,777,485.13/67,654.08
  6. Step 6: Final answer
    x = 53,785.04

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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.