Home / 101,747.17-140,411.49-56,429.36

Finding the Fourth Proportional to 101,747.17, 140,411.49 and 56,429.36

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Solution

The fourth proportional to 101,747.17, 140,411.49 and 56,429.36 is: 77,872.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,747.17 : 140,411.49 = 56,429.36 : x
  2. Step 2: Convert to fraction form
    101,747.17/140,411.49 = 56,429.36/x
  3. Step 3: Cross multiply
    101,747.17x = 140,411.49 × 56,429.36
  4. Step 4: Simplify right side
    101,747.17x = 7,923,329,815.29
  5. Step 5: Solve for x
    x = 7,923,329,815.29/101,747.17
  6. Step 6: Final answer
    x = 77,872.73

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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.