Home / 83,593.20-125,389.08-21,263.52

Finding the Fourth Proportional to 83,593.20, 125,389.08 and 21,263.52

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Solution

The fourth proportional to 83,593.20, 125,389.08 and 21,263.52 is: 31,895.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,593.20 : 125,389.08 = 21,263.52 : x
  2. Step 2: Convert to fraction form
    83,593.20/125,389.08 = 21,263.52/x
  3. Step 3: Cross multiply
    83,593.20x = 125,389.08 × 21,263.52
  4. Step 4: Simplify right side
    83,593.20x = 2,666,213,210.36
  5. Step 5: Solve for x
    x = 2,666,213,210.36/83,593.20
  6. Step 6: Final answer
    x = 31,895.10

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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.