Home / 109,863.14-151,612.29-64,543.01

Finding the Fourth Proportional to 109,863.14, 151,612.29 and 64,543.01

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Solution

The fourth proportional to 109,863.14, 151,612.29 and 64,543.01 is: 89,070.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,863.14 : 151,612.29 = 64,543.01 : x
  2. Step 2: Convert to fraction form
    109,863.14/151,612.29 = 64,543.01/x
  3. Step 3: Cross multiply
    109,863.14x = 151,612.29 × 64,543.01
  4. Step 4: Simplify right side
    109,863.14x = 9,785,512,791.53
  5. Step 5: Solve for x
    x = 9,785,512,791.53/109,863.14
  6. Step 6: Final answer
    x = 89,070.03

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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.