Home / 47,587.30-65,702.55-42,535.33

Finding the Fourth Proportional to 47,587.30, 65,702.55 and 42,535.33

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Solution

The fourth proportional to 47,587.30, 65,702.55 and 42,535.33 is: 58,727.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,587.30 : 65,702.55 = 42,535.33 : x
  2. Step 2: Convert to fraction form
    47,587.30/65,702.55 = 42,535.33/x
  3. Step 3: Cross multiply
    47,587.30x = 65,702.55 × 42,535.33
  4. Step 4: Simplify right side
    47,587.30x = 2,794,679,646.09
  5. Step 5: Solve for x
    x = 2,794,679,646.09/47,587.30
  6. Step 6: Final answer
    x = 58,727.43

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.