Home / 86,767.20-130,053.60-49,345.20

Finding the Fourth Proportional to 86,767.20, 130,053.60 and 49,345.20

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Solution

The fourth proportional to 86,767.20, 130,053.60 and 49,345.20 is: 73,962.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,767.20 : 130,053.60 = 49,345.20 : x
  2. Step 2: Convert to fraction form
    86,767.20/130,053.60 = 49,345.20/x
  3. Step 3: Cross multiply
    86,767.20x = 130,053.60 × 49,345.20
  4. Step 4: Simplify right side
    86,767.20x = 6,417,520,902.72
  5. Step 5: Solve for x
    x = 6,417,520,902.72/86,767.20
  6. Step 6: Final answer
    x = 73,962.52

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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.