Home / 66,724.44-92,113.05-38,424.66

Finding the Fourth Proportional to 66,724.44, 92,113.05 and 38,424.66

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Solution

The fourth proportional to 66,724.44, 92,113.05 and 38,424.66 is: 53,045.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,724.44 : 92,113.05 = 38,424.66 : x
  2. Step 2: Convert to fraction form
    66,724.44/92,113.05 = 38,424.66/x
  3. Step 3: Cross multiply
    66,724.44x = 92,113.05 × 38,424.66
  4. Step 4: Simplify right side
    66,724.44x = 3,539,412,627.81
  5. Step 5: Solve for x
    x = 3,539,412,627.81/66,724.44
  6. Step 6: Final answer
    x = 53,045.22

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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.