Home / 81,588.48-122,384.07-22,423.79

Finding the Fourth Proportional to 81,588.48, 122,384.07 and 22,423.79

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Solution

The fourth proportional to 81,588.48, 122,384.07 and 22,423.79 is: 33,636.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,588.48 : 122,384.07 = 22,423.79 : x
  2. Step 2: Convert to fraction form
    81,588.48/122,384.07 = 22,423.79/x
  3. Step 3: Cross multiply
    81,588.48x = 122,384.07 × 22,423.79
  4. Step 4: Simplify right side
    81,588.48x = 2,744,314,073.10
  5. Step 5: Solve for x
    x = 2,744,314,073.10/81,588.48
  6. Step 6: Final answer
    x = 33,636.05

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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.