Home / 86,490.18-119,356.47-48,764.43

Finding the Fourth Proportional to 86,490.18, 119,356.47 and 48,764.43

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Solution

The fourth proportional to 86,490.18, 119,356.47 and 48,764.43 is: 67,294.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,490.18 : 119,356.47 = 48,764.43 : x
  2. Step 2: Convert to fraction form
    86,490.18/119,356.47 = 48,764.43/x
  3. Step 3: Cross multiply
    86,490.18x = 119,356.47 × 48,764.43
  4. Step 4: Simplify right side
    86,490.18x = 5,820,350,226.36
  5. Step 5: Solve for x
    x = 5,820,350,226.36/86,490.18
  6. Step 6: Final answer
    x = 67,294.93

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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.