Home / 45,299.52-68,060.04-42,781.68

Finding the Fourth Proportional to 45,299.52, 68,060.04 and 42,781.68

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Solution

The fourth proportional to 45,299.52, 68,060.04 and 42,781.68 is: 64,277.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,299.52 : 68,060.04 = 42,781.68 : x
  2. Step 2: Convert to fraction form
    45,299.52/68,060.04 = 42,781.68/x
  3. Step 3: Cross multiply
    45,299.52x = 68,060.04 × 42,781.68
  4. Step 4: Simplify right side
    45,299.52x = 2,911,722,852.07
  5. Step 5: Solve for x
    x = 2,911,722,852.07/45,299.52
  6. Step 6: Final answer
    x = 64,277.12

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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.