Home / 42,671.13-64,012.76-22,675.40

Finding the Fourth Proportional to 42,671.13, 64,012.76 and 22,675.40

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Solution

The fourth proportional to 42,671.13, 64,012.76 and 22,675.40 is: 34,016.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,671.13 : 64,012.76 = 22,675.40 : x
  2. Step 2: Convert to fraction form
    42,671.13/64,012.76 = 22,675.40/x
  3. Step 3: Cross multiply
    42,671.13x = 64,012.76 × 22,675.40
  4. Step 4: Simplify right side
    42,671.13x = 1,451,514,938.10
  5. Step 5: Solve for x
    x = 1,451,514,938.10/42,671.13
  6. Step 6: Final answer
    x = 34,016.32

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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.