Home / 76,913.97-106,141.28-42,458.73

Finding the Fourth Proportional to 76,913.97, 106,141.28 and 42,458.73

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Solution

The fourth proportional to 76,913.97, 106,141.28 and 42,458.73 is: 58,593.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,913.97 : 106,141.28 = 42,458.73 : x
  2. Step 2: Convert to fraction form
    76,913.97/106,141.28 = 42,458.73/x
  3. Step 3: Cross multiply
    76,913.97x = 106,141.28 × 42,458.73
  4. Step 4: Simplify right side
    76,913.97x = 4,506,623,949.37
  5. Step 5: Solve for x
    x = 4,506,623,949.37/76,913.97
  6. Step 6: Final answer
    x = 58,593.05

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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.