Home / 89,957.16-135,018.06-45,614.52

Finding the Fourth Proportional to 89,957.16, 135,018.06 and 45,614.52

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Solution

The fourth proportional to 89,957.16, 135,018.06 and 45,614.52 is: 68,463.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,957.16 : 135,018.06 = 45,614.52 : x
  2. Step 2: Convert to fraction form
    89,957.16/135,018.06 = 45,614.52/x
  3. Step 3: Cross multiply
    89,957.16x = 135,018.06 × 45,614.52
  4. Step 4: Simplify right side
    89,957.16x = 6,158,783,998.23
  5. Step 5: Solve for x
    x = 6,158,783,998.23/89,957.16
  6. Step 6: Final answer
    x = 68,463.52

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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.