Home / 96,808.10-145,145.55-49,331.30

Finding the Fourth Proportional to 96,808.10, 145,145.55 and 49,331.30

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Solution

The fourth proportional to 96,808.10, 145,145.55 and 49,331.30 is: 73,963.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,808.10 : 145,145.55 = 49,331.30 : x
  2. Step 2: Convert to fraction form
    96,808.10/145,145.55 = 49,331.30/x
  3. Step 3: Cross multiply
    96,808.10x = 145,145.55 × 49,331.30
  4. Step 4: Simplify right side
    96,808.10x = 7,160,218,670.72
  5. Step 5: Solve for x
    x = 7,160,218,670.72/96,808.10
  6. Step 6: Final answer
    x = 73,963.01

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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.