Home / 78,064.30-117,096.27-60,320.76

Finding the Fourth Proportional to 78,064.30, 117,096.27 and 60,320.76

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Solution

The fourth proportional to 78,064.30, 117,096.27 and 60,320.76 is: 90,481.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,064.30 : 117,096.27 = 60,320.76 : x
  2. Step 2: Convert to fraction form
    78,064.30/117,096.27 = 60,320.76/x
  3. Step 3: Cross multiply
    78,064.30x = 117,096.27 × 60,320.76
  4. Step 4: Simplify right side
    78,064.30x = 7,063,335,933.03
  5. Step 5: Solve for x
    x = 7,063,335,933.03/78,064.30
  6. Step 6: Final answer
    x = 90,481.00

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1.5x scale

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.