Home / 98,591.18-136,048.11-56,141.42

Finding the Fourth Proportional to 98,591.18, 136,048.11 and 56,141.42

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Solution

The fourth proportional to 98,591.18, 136,048.11 and 56,141.42 is: 77,470.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,591.18 : 136,048.11 = 56,141.42 : x
  2. Step 2: Convert to fraction form
    98,591.18/136,048.11 = 56,141.42/x
  3. Step 3: Cross multiply
    98,591.18x = 136,048.11 × 56,141.42
  4. Step 4: Simplify right side
    98,591.18x = 7,637,934,083.72
  5. Step 5: Solve for x
    x = 7,637,934,083.72/98,591.18
  6. Step 6: Final answer
    x = 77,470.76

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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.