Home / 56,317.47-84,517.82-45,356.46

Finding the Fourth Proportional to 56,317.47, 84,517.82 and 45,356.46

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Solution

The fourth proportional to 56,317.47, 84,517.82 and 45,356.46 is: 68,068.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,317.47 : 84,517.82 = 45,356.46 : x
  2. Step 2: Convert to fraction form
    56,317.47/84,517.82 = 45,356.46/x
  3. Step 3: Cross multiply
    56,317.47x = 84,517.82 × 45,356.46
  4. Step 4: Simplify right side
    56,317.47x = 3,833,429,122.12
  5. Step 5: Solve for x
    x = 3,833,429,122.12/56,317.47
  6. Step 6: Final answer
    x = 68,068.21

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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.