Home / 77,728.01-107,268.12-45,897.04

Finding the Fourth Proportional to 77,728.01, 107,268.12 and 45,897.04

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Solution

The fourth proportional to 77,728.01, 107,268.12 and 45,897.04 is: 63,339.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,728.01 : 107,268.12 = 45,897.04 : x
  2. Step 2: Convert to fraction form
    77,728.01/107,268.12 = 45,897.04/x
  3. Step 3: Cross multiply
    77,728.01x = 107,268.12 × 45,897.04
  4. Step 4: Simplify right side
    77,728.01x = 4,923,288,428.54
  5. Step 5: Solve for x
    x = 4,923,288,428.54/77,728.01
  6. Step 6: Final answer
    x = 63,339.95

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1.5x scale

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.