Home / 81,774.01-122,404.02-56,324.17

Finding the Fourth Proportional to 81,774.01, 122,404.02 and 56,324.17

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Solution

The fourth proportional to 81,774.01, 122,404.02 and 56,324.17 is: 84,309.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,774.01 : 122,404.02 = 56,324.17 : x
  2. Step 2: Convert to fraction form
    81,774.01/122,404.02 = 56,324.17/x
  3. Step 3: Cross multiply
    81,774.01x = 122,404.02 × 56,324.17
  4. Step 4: Simplify right side
    81,774.01x = 6,894,304,831.16
  5. Step 5: Solve for x
    x = 6,894,304,831.16/81,774.01
  6. Step 6: Final answer
    x = 84,309.24

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1.5x scale

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.