Home / 112,387.10-168,587.16-42,267.02

Finding the Fourth Proportional to 112,387.10, 168,587.16 and 42,267.02

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Solution

The fourth proportional to 112,387.10, 168,587.16 and 42,267.02 is: 63,402.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,387.10 : 168,587.16 = 42,267.02 : x
  2. Step 2: Convert to fraction form
    112,387.10/168,587.16 = 42,267.02/x
  3. Step 3: Cross multiply
    112,387.10x = 168,587.16 × 42,267.02
  4. Step 4: Simplify right side
    112,387.10x = 7,125,676,863.46
  5. Step 5: Solve for x
    x = 7,125,676,863.46/112,387.10
  6. Step 6: Final answer
    x = 63,402.98

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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.