Home / 100,872.16-151,283.94-44,681.20

Finding the Fourth Proportional to 100,872.16, 151,283.94 and 44,681.20

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Solution

The fourth proportional to 100,872.16, 151,283.94 and 44,681.20 is: 67,011.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,872.16 : 151,283.94 = 44,681.20 : x
  2. Step 2: Convert to fraction form
    100,872.16/151,283.94 = 44,681.20/x
  3. Step 3: Cross multiply
    100,872.16x = 151,283.94 × 44,681.20
  4. Step 4: Simplify right side
    100,872.16x = 6,759,547,979.93
  5. Step 5: Solve for x
    x = 6,759,547,979.93/100,872.16
  6. Step 6: Final answer
    x = 67,011.04

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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.