Home / 91,308.38-136,957.80-32,144.45

Finding the Fourth Proportional to 91,308.38, 136,957.80 and 32,144.45

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Solution

The fourth proportional to 91,308.38, 136,957.80 and 32,144.45 is: 48,215.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,308.38 : 136,957.80 = 32,144.45 : x
  2. Step 2: Convert to fraction form
    91,308.38/136,957.80 = 32,144.45/x
  3. Step 3: Cross multiply
    91,308.38x = 136,957.80 × 32,144.45
  4. Step 4: Simplify right side
    91,308.38x = 4,402,433,154.21
  5. Step 5: Solve for x
    x = 4,402,433,154.21/91,308.38
  6. Step 6: Final answer
    x = 48,215.00

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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.