Home / 75,085.12-112,683.17-60,470.43

Finding the Fourth Proportional to 75,085.12, 112,683.17 and 60,470.43

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Solution

The fourth proportional to 75,085.12, 112,683.17 and 60,470.43 is: 90,750.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,085.12 : 112,683.17 = 60,470.43 : x
  2. Step 2: Convert to fraction form
    75,085.12/112,683.17 = 60,470.43/x
  3. Step 3: Cross multiply
    75,085.12x = 112,683.17 × 60,470.43
  4. Step 4: Simplify right side
    75,085.12x = 6,813,999,743.66
  5. Step 5: Solve for x
    x = 6,813,999,743.66/75,085.12
  6. Step 6: Final answer
    x = 90,750.33

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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.