Home / 68,157.16-94,135.60-45,456.71

Finding the Fourth Proportional to 68,157.16, 94,135.60 and 45,456.71

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Solution

The fourth proportional to 68,157.16, 94,135.60 and 45,456.71 is: 62,782.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,157.16 : 94,135.60 = 45,456.71 : x
  2. Step 2: Convert to fraction form
    68,157.16/94,135.60 = 45,456.71/x
  3. Step 3: Cross multiply
    68,157.16x = 94,135.60 × 45,456.71
  4. Step 4: Simplify right side
    68,157.16x = 4,279,094,256.02
  5. Step 5: Solve for x
    x = 4,279,094,256.02/68,157.16
  6. Step 6: Final answer
    x = 62,782.76

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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.