Home / 65,737.32-98,543.56-21,333.02

Finding the Fourth Proportional to 65,737.32, 98,543.56 and 21,333.02

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Solution

The fourth proportional to 65,737.32, 98,543.56 and 21,333.02 is: 31,979.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,737.32 : 98,543.56 = 21,333.02 : x
  2. Step 2: Convert to fraction form
    65,737.32/98,543.56 = 21,333.02/x
  3. Step 3: Cross multiply
    65,737.32x = 98,543.56 × 21,333.02
  4. Step 4: Simplify right side
    65,737.32x = 2,102,231,844.61
  5. Step 5: Solve for x
    x = 2,102,231,844.61/65,737.32
  6. Step 6: Final answer
    x = 31,979.27

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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.