Home / 58,077.50-80,171.51-39,240.14

Finding the Fourth Proportional to 58,077.50, 80,171.51 and 39,240.14

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Solution

The fourth proportional to 58,077.50, 80,171.51 and 39,240.14 is: 54,167.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,077.50 : 80,171.51 = 39,240.14 : x
  2. Step 2: Convert to fraction form
    58,077.50/80,171.51 = 39,240.14/x
  3. Step 3: Cross multiply
    58,077.50x = 80,171.51 × 39,240.14
  4. Step 4: Simplify right side
    58,077.50x = 3,145,940,679.35
  5. Step 5: Solve for x
    x = 3,145,940,679.35/58,077.50
  6. Step 6: Final answer
    x = 54,167.98

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1.5x scale

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.