Home / 72,878.18-100,572.45-41,044.10

Finding the Fourth Proportional to 72,878.18, 100,572.45 and 41,044.10

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Solution

The fourth proportional to 72,878.18, 100,572.45 and 41,044.10 is: 56,641.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,878.18 : 100,572.45 = 41,044.10 : x
  2. Step 2: Convert to fraction form
    72,878.18/100,572.45 = 41,044.10/x
  3. Step 3: Cross multiply
    72,878.18x = 100,572.45 × 41,044.10
  4. Step 4: Simplify right side
    72,878.18x = 4,127,905,695.05
  5. Step 5: Solve for x
    x = 4,127,905,695.05/72,878.18
  6. Step 6: Final answer
    x = 56,641.17

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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.