Home / 86,950.28-130,451.42-49,988.36

Finding the Fourth Proportional to 86,950.28, 130,451.42 and 49,988.36

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Solution

The fourth proportional to 86,950.28, 130,451.42 and 49,988.36 is: 74,997.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,950.28 : 130,451.42 = 49,988.36 : x
  2. Step 2: Convert to fraction form
    86,950.28/130,451.42 = 49,988.36/x
  3. Step 3: Cross multiply
    86,950.28x = 130,451.42 × 49,988.36
  4. Step 4: Simplify right side
    86,950.28x = 6,521,052,545.47
  5. Step 5: Solve for x
    x = 6,521,052,545.47/86,950.28
  6. Step 6: Final answer
    x = 74,997.49

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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.