Home / 42,718.92-64,110.45-16,091.18

Finding the Fourth Proportional to 42,718.92, 64,110.45 and 16,091.18

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Solution

The fourth proportional to 42,718.92, 64,110.45 and 16,091.18 is: 24,148.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,718.92 : 64,110.45 = 16,091.18 : x
  2. Step 2: Convert to fraction form
    42,718.92/64,110.45 = 16,091.18/x
  3. Step 3: Cross multiply
    42,718.92x = 64,110.45 × 16,091.18
  4. Step 4: Simplify right side
    42,718.92x = 1,031,612,790.83
  5. Step 5: Solve for x
    x = 1,031,612,790.83/42,718.92
  6. Step 6: Final answer
    x = 24,148.85

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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.