Home / 67,785.04-101,677.84-37,817.76

Finding the Fourth Proportional to 67,785.04, 101,677.84 and 37,817.76

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Solution

The fourth proportional to 67,785.04, 101,677.84 and 37,817.76 is: 56,726.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,785.04 : 101,677.84 = 37,817.76 : x
  2. Step 2: Convert to fraction form
    67,785.04/101,677.84 = 37,817.76/x
  3. Step 3: Cross multiply
    67,785.04x = 101,677.84 × 37,817.76
  4. Step 4: Simplify right side
    67,785.04x = 3,845,228,150.44
  5. Step 5: Solve for x
    x = 3,845,228,150.44/67,785.04
  6. Step 6: Final answer
    x = 56,726.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.