Home / 81,564.43-112,598.48-54,697.13

Finding the Fourth Proportional to 81,564.43, 112,598.48 and 54,697.13

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Solution

The fourth proportional to 81,564.43, 112,598.48 and 54,697.13 is: 75,508.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,564.43 : 112,598.48 = 54,697.13 : x
  2. Step 2: Convert to fraction form
    81,564.43/112,598.48 = 54,697.13/x
  3. Step 3: Cross multiply
    81,564.43x = 112,598.48 × 54,697.13
  4. Step 4: Simplify right side
    81,564.43x = 6,158,813,698.36
  5. Step 5: Solve for x
    x = 6,158,813,698.36/81,564.43
  6. Step 6: Final answer
    x = 75,508.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.