Home / 42,117.72-63,155.46-14,027.90

Finding the Fourth Proportional to 42,117.72, 63,155.46 and 14,027.90

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Solution

The fourth proportional to 42,117.72, 63,155.46 and 14,027.90 is: 21,034.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,117.72 : 63,155.46 = 14,027.90 : x
  2. Step 2: Convert to fraction form
    42,117.72/63,155.46 = 14,027.90/x
  3. Step 3: Cross multiply
    42,117.72x = 63,155.46 × 14,027.90
  4. Step 4: Simplify right side
    42,117.72x = 885,938,582.62
  5. Step 5: Solve for x
    x = 885,938,582.62/42,117.72
  6. Step 6: Final answer
    x = 21,034.82

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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.