Home / 112,432.80-168,519.36-42,267.36

Finding the Fourth Proportional to 112,432.80, 168,519.36 and 42,267.36

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Solution

The fourth proportional to 112,432.80, 168,519.36 and 42,267.36 is: 63,352.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,432.80 : 168,519.36 = 42,267.36 : x
  2. Step 2: Convert to fraction form
    112,432.80/168,519.36 = 42,267.36/x
  3. Step 3: Cross multiply
    112,432.80x = 168,519.36 × 42,267.36
  4. Step 4: Simplify right side
    112,432.80x = 7,122,868,456.09
  5. Step 5: Solve for x
    x = 7,122,868,456.09/112,432.80
  6. Step 6: Final answer
    x = 63,352.23

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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.