Home / 112,702.25-169,036.82-42,565.16

Finding the Fourth Proportional to 112,702.25, 169,036.82 and 42,565.16

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Solution

The fourth proportional to 112,702.25, 169,036.82 and 42,565.16 is: 63,841.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,702.25 : 169,036.82 = 42,565.16 : x
  2. Step 2: Convert to fraction form
    112,702.25/169,036.82 = 42,565.16/x
  3. Step 3: Cross multiply
    112,702.25x = 169,036.82 × 42,565.16
  4. Step 4: Simplify right side
    112,702.25x = 7,195,078,231.18
  5. Step 5: Solve for x
    x = 7,195,078,231.18/112,702.25
  6. Step 6: Final answer
    x = 63,841.48

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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.