Home / 81,549.52-122,164.95-56,189.23

Finding the Fourth Proportional to 81,549.52, 122,164.95 and 56,189.23

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Solution

The fourth proportional to 81,549.52, 122,164.95 and 56,189.23 is: 84,174.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,549.52 : 122,164.95 = 56,189.23 : x
  2. Step 2: Convert to fraction form
    81,549.52/122,164.95 = 56,189.23/x
  3. Step 3: Cross multiply
    81,549.52x = 122,164.95 × 56,189.23
  4. Step 4: Simplify right side
    81,549.52x = 6,864,354,473.49
  5. Step 5: Solve for x
    x = 6,864,354,473.49/81,549.52
  6. Step 6: Final answer
    x = 84,174.06

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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.