Home / 66,724.19-92,112.70-38,424.41

Finding the Fourth Proportional to 66,724.19, 92,112.70 and 38,424.41

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Solution

The fourth proportional to 66,724.19, 92,112.70 and 38,424.41 is: 53,044.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,724.19 : 92,112.70 = 38,424.41 : x
  2. Step 2: Convert to fraction form
    66,724.19/92,112.70 = 38,424.41/x
  3. Step 3: Cross multiply
    66,724.19x = 92,112.70 × 38,424.41
  4. Step 4: Simplify right side
    66,724.19x = 3,539,376,151.01
  5. Step 5: Solve for x
    x = 3,539,376,151.01/66,724.19
  6. Step 6: Final answer
    x = 53,044.87

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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.