Home / 75,913.13-104,760.12-42,379.13

Finding the Fourth Proportional to 75,913.13, 104,760.12 and 42,379.13

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Solution

The fourth proportional to 75,913.13, 104,760.12 and 42,379.13 is: 58,483.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,913.13 : 104,760.12 = 42,379.13 : x
  2. Step 2: Convert to fraction form
    75,913.13/104,760.12 = 42,379.13/x
  3. Step 3: Cross multiply
    75,913.13x = 104,760.12 × 42,379.13
  4. Step 4: Simplify right side
    75,913.13x = 4,439,642,220.50
  5. Step 5: Solve for x
    x = 4,439,642,220.50/75,913.13
  6. Step 6: Final answer
    x = 58,483.20

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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.