Home / 67,237.52-92,779.80-38,937.68

Finding the Fourth Proportional to 67,237.52, 92,779.80 and 38,937.68

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Solution

The fourth proportional to 67,237.52, 92,779.80 and 38,937.68 is: 53,729.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,237.52 : 92,779.80 = 38,937.68 : x
  2. Step 2: Convert to fraction form
    67,237.52/92,779.80 = 38,937.68/x
  3. Step 3: Cross multiply
    67,237.52x = 92,779.80 × 38,937.68
  4. Step 4: Simplify right side
    67,237.52x = 3,612,630,162.86
  5. Step 5: Solve for x
    x = 3,612,630,162.86/67,237.52
  6. Step 6: Final answer
    x = 53,729.38

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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.