Home / 81,593.04-122,366.02-22,430.64

Finding the Fourth Proportional to 81,593.04, 122,366.02 and 22,430.64

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Solution

The fourth proportional to 81,593.04, 122,366.02 and 22,430.64 is: 33,639.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,593.04 : 122,366.02 = 22,430.64 : x
  2. Step 2: Convert to fraction form
    81,593.04/122,366.02 = 22,430.64/x
  3. Step 3: Cross multiply
    81,593.04x = 122,366.02 × 22,430.64
  4. Step 4: Simplify right side
    81,593.04x = 2,744,748,142.85
  5. Step 5: Solve for x
    x = 2,744,748,142.85/81,593.04
  6. Step 6: Final answer
    x = 33,639.49

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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.