Home / 77,863.02-107,338.95-55,468.14

Finding the Fourth Proportional to 77,863.02, 107,338.95 and 55,468.14

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Solution

The fourth proportional to 77,863.02, 107,338.95 and 55,468.14 is: 76,466.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,863.02 : 107,338.95 = 55,468.14 : x
  2. Step 2: Convert to fraction form
    77,863.02/107,338.95 = 55,468.14/x
  3. Step 3: Cross multiply
    77,863.02x = 107,338.95 × 55,468.14
  4. Step 4: Simplify right side
    77,863.02x = 5,953,891,906.05
  5. Step 5: Solve for x
    x = 5,953,891,906.05/77,863.02
  6. Step 6: Final answer
    x = 76,466.23

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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.