Home / 96,781.20-133,554.60-54,341.52

Finding the Fourth Proportional to 96,781.20, 133,554.60 and 54,341.52

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Solution

The fourth proportional to 96,781.20, 133,554.60 and 54,341.52 is: 74,989.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,781.20 : 133,554.60 = 54,341.52 : x
  2. Step 2: Convert to fraction form
    96,781.20/133,554.60 = 54,341.52/x
  3. Step 3: Cross multiply
    96,781.20x = 133,554.60 × 54,341.52
  4. Step 4: Simplify right side
    96,781.20x = 7,257,559,966.99
  5. Step 5: Solve for x
    x = 7,257,559,966.99/96,781.20
  6. Step 6: Final answer
    x = 74,989.36

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1.5x scale

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.