Home / 92,061.36-138,016.80-47,700.96

Finding the Fourth Proportional to 92,061.36, 138,016.80 and 47,700.96

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Solution

The fourth proportional to 92,061.36, 138,016.80 and 47,700.96 is: 71,512.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,061.36 : 138,016.80 = 47,700.96 : x
  2. Step 2: Convert to fraction form
    92,061.36/138,016.80 = 47,700.96/x
  3. Step 3: Cross multiply
    92,061.36x = 138,016.80 × 47,700.96
  4. Step 4: Simplify right side
    92,061.36x = 6,583,533,856.13
  5. Step 5: Solve for x
    x = 6,583,533,856.13/92,061.36
  6. Step 6: Final answer
    x = 71,512.45

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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.