Home / 56,398.26-84,363.66-42,969.68

Finding the Fourth Proportional to 56,398.26, 84,363.66 and 42,969.68

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Solution

The fourth proportional to 56,398.26, 84,363.66 and 42,969.68 is: 64,276.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,398.26 : 84,363.66 = 42,969.68 : x
  2. Step 2: Convert to fraction form
    56,398.26/84,363.66 = 42,969.68/x
  3. Step 3: Cross multiply
    56,398.26x = 84,363.66 × 42,969.68
  4. Step 4: Simplify right side
    56,398.26x = 3,625,079,473.83
  5. Step 5: Solve for x
    x = 3,625,079,473.83/56,398.26
  6. Step 6: Final answer
    x = 64,276.44

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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.