Home / 58,098.12-87,138.93-18,650.13

Finding the Fourth Proportional to 58,098.12, 87,138.93 and 18,650.13

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Solution

The fourth proportional to 58,098.12, 87,138.93 and 18,650.13 is: 27,972.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,098.12 : 87,138.93 = 18,650.13 : x
  2. Step 2: Convert to fraction form
    58,098.12/87,138.93 = 18,650.13/x
  3. Step 3: Cross multiply
    58,098.12x = 87,138.93 × 18,650.13
  4. Step 4: Simplify right side
    58,098.12x = 1,625,152,372.56
  5. Step 5: Solve for x
    x = 1,625,152,372.56/58,098.12
  6. Step 6: Final answer
    x = 27,972.55

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1.5x scale

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.