Home / 112,740.12-169,114.28-37,862.70

Finding the Fourth Proportional to 112,740.12, 169,114.28 and 37,862.70

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Solution

The fourth proportional to 112,740.12, 169,114.28 and 37,862.70 is: 56,795.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,740.12 : 169,114.28 = 37,862.70 : x
  2. Step 2: Convert to fraction form
    112,740.12/169,114.28 = 37,862.70/x
  3. Step 3: Cross multiply
    112,740.12x = 169,114.28 × 37,862.70
  4. Step 4: Simplify right side
    112,740.12x = 6,403,123,249.36
  5. Step 5: Solve for x
    x = 6,403,123,249.36/112,740.12
  6. Step 6: Final answer
    x = 56,795.43

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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.