Home / 87,148.95-130,720.71-24,819.45

Finding the Fourth Proportional to 87,148.95, 130,720.71 and 24,819.45

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Solution

The fourth proportional to 87,148.95, 130,720.71 and 24,819.45 is: 37,228.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,148.95 : 130,720.71 = 24,819.45 : x
  2. Step 2: Convert to fraction form
    87,148.95/130,720.71 = 24,819.45/x
  3. Step 3: Cross multiply
    87,148.95x = 130,720.71 × 24,819.45
  4. Step 4: Simplify right side
    87,148.95x = 3,244,416,125.81
  5. Step 5: Solve for x
    x = 3,244,416,125.81/87,148.95
  6. Step 6: Final answer
    x = 37,228.40

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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.