Home / 61,153.16-84,355.56-38,456.20

Finding the Fourth Proportional to 61,153.16, 84,355.56 and 38,456.20

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Solution

The fourth proportional to 61,153.16, 84,355.56 and 38,456.20 is: 53,047.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,153.16 : 84,355.56 = 38,456.20 : x
  2. Step 2: Convert to fraction form
    61,153.16/84,355.56 = 38,456.20/x
  3. Step 3: Cross multiply
    61,153.16x = 84,355.56 × 38,456.20
  4. Step 4: Simplify right side
    61,153.16x = 3,243,994,286.47
  5. Step 5: Solve for x
    x = 3,243,994,286.47/61,153.16
  6. Step 6: Final answer
    x = 53,047.04

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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.