Home / 117,678.30-162,397.02-63,963.32

Finding the Fourth Proportional to 117,678.30, 162,397.02 and 63,963.32

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Solution

The fourth proportional to 117,678.30, 162,397.02 and 63,963.32 is: 88,269.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,678.30 : 162,397.02 = 63,963.32 : x
  2. Step 2: Convert to fraction form
    117,678.30/162,397.02 = 63,963.32/x
  3. Step 3: Cross multiply
    117,678.30x = 162,397.02 × 63,963.32
  4. Step 4: Simplify right side
    117,678.30x = 10,387,452,557.31
  5. Step 5: Solve for x
    x = 10,387,452,557.31/117,678.30
  6. Step 6: Final answer
    x = 88,269.91

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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.