Home / 42,956.52-64,435.14-13,373.16

Finding the Fourth Proportional to 42,956.52, 64,435.14 and 13,373.16

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Solution

The fourth proportional to 42,956.52, 64,435.14 and 13,373.16 is: 20,059.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,956.52 : 64,435.14 = 13,373.16 : x
  2. Step 2: Convert to fraction form
    42,956.52/64,435.14 = 13,373.16/x
  3. Step 3: Cross multiply
    42,956.52x = 64,435.14 × 13,373.16
  4. Step 4: Simplify right side
    42,956.52x = 861,701,436.84
  5. Step 5: Solve for x
    x = 861,701,436.84/42,956.52
  6. Step 6: Final answer
    x = 20,059.85

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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.