Home / 112,799.48-169,201.14-42,711.80

Finding the Fourth Proportional to 112,799.48, 169,201.14 and 42,711.80

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Solution

The fourth proportional to 112,799.48, 169,201.14 and 42,711.80 is: 64,068.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,799.48 : 169,201.14 = 42,711.80 : x
  2. Step 2: Convert to fraction form
    112,799.48/169,201.14 = 42,711.80/x
  3. Step 3: Cross multiply
    112,799.48x = 169,201.14 × 42,711.80
  4. Step 4: Simplify right side
    112,799.48x = 7,226,885,251.45
  5. Step 5: Solve for x
    x = 7,226,885,251.45/112,799.48
  6. Step 6: Final answer
    x = 64,068.43

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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.