Home / 68,082.53-93,887.93-45,422.45

Finding the Fourth Proportional to 68,082.53, 93,887.93 and 45,422.45

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Solution

The fourth proportional to 68,082.53, 93,887.93 and 45,422.45 is: 62,638.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,082.53 : 93,887.93 = 45,422.45 : x
  2. Step 2: Convert to fraction form
    68,082.53/93,887.93 = 45,422.45/x
  3. Step 3: Cross multiply
    68,082.53x = 93,887.93 × 45,422.45
  4. Step 4: Simplify right side
    68,082.53x = 4,264,619,109.48
  5. Step 5: Solve for x
    x = 4,264,619,109.48/68,082.53
  6. Step 6: Final answer
    x = 62,638.96

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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.