Home / 89,744.20-134,357.10-54,752.20

Finding the Fourth Proportional to 89,744.20, 134,357.10 and 54,752.20

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Solution

The fourth proportional to 89,744.20, 134,357.10 and 54,752.20 is: 81,970.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,744.20 : 134,357.10 = 54,752.20 : x
  2. Step 2: Convert to fraction form
    89,744.20/134,357.10 = 54,752.20/x
  3. Step 3: Cross multiply
    89,744.20x = 134,357.10 × 54,752.20
  4. Step 4: Simplify right side
    89,744.20x = 7,356,346,810.62
  5. Step 5: Solve for x
    x = 7,356,346,810.62/89,744.20
  6. Step 6: Final answer
    x = 81,970.16

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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.