Home / 42,785.19-64,115.13-24,101.64

Finding the Fourth Proportional to 42,785.19, 64,115.13 and 24,101.64

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Solution

The fourth proportional to 42,785.19, 64,115.13 and 24,101.64 is: 36,117.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,785.19 : 64,115.13 = 24,101.64 : x
  2. Step 2: Convert to fraction form
    42,785.19/64,115.13 = 24,101.64/x
  3. Step 3: Cross multiply
    42,785.19x = 64,115.13 × 24,101.64
  4. Step 4: Simplify right side
    42,785.19x = 1,545,279,781.81
  5. Step 5: Solve for x
    x = 1,545,279,781.81/42,785.19
  6. Step 6: Final answer
    x = 36,117.17

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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.