Home / 96,531.12-144,837.90-49,816.80

Finding the Fourth Proportional to 96,531.12, 144,837.90 and 49,816.80

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Solution

The fourth proportional to 96,531.12, 144,837.90 and 49,816.80 is: 74,746.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,531.12 : 144,837.90 = 49,816.80 : x
  2. Step 2: Convert to fraction form
    96,531.12/144,837.90 = 49,816.80/x
  3. Step 3: Cross multiply
    96,531.12x = 144,837.90 × 49,816.80
  4. Step 4: Simplify right side
    96,531.12x = 7,215,360,696.72
  5. Step 5: Solve for x
    x = 7,215,360,696.72/96,531.12
  6. Step 6: Final answer
    x = 74,746.47

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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.