Home / 73,113.52-109,685.40-38,043.76

Finding the Fourth Proportional to 73,113.52, 109,685.40 and 38,043.76

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Solution

The fourth proportional to 73,113.52, 109,685.40 and 38,043.76 is: 57,073.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,113.52 : 109,685.40 = 38,043.76 : x
  2. Step 2: Convert to fraction form
    73,113.52/109,685.40 = 38,043.76/x
  3. Step 3: Cross multiply
    73,113.52x = 109,685.40 × 38,043.76
  4. Step 4: Simplify right side
    73,113.52x = 4,172,845,033.10
  5. Step 5: Solve for x
    x = 4,172,845,033.10/73,113.52
  6. Step 6: Final answer
    x = 57,073.51

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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.