Home / 81,744.60-112,794.98-45,927.74

Finding the Fourth Proportional to 81,744.60, 112,794.98 and 45,927.74

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Solution

The fourth proportional to 81,744.60, 112,794.98 and 45,927.74 is: 63,373.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,744.60 : 112,794.98 = 45,927.74 : x
  2. Step 2: Convert to fraction form
    81,744.60/112,794.98 = 45,927.74/x
  3. Step 3: Cross multiply
    81,744.60x = 112,794.98 × 45,927.74
  4. Step 4: Simplify right side
    81,744.60x = 5,180,418,514.75
  5. Step 5: Solve for x
    x = 5,180,418,514.75/81,744.60
  6. Step 6: Final answer
    x = 63,373.22

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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.