Home / 77,724.90-116,346.01-42,097.73

Finding the Fourth Proportional to 77,724.90, 116,346.01 and 42,097.73

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Solution

The fourth proportional to 77,724.90, 116,346.01 and 42,097.73 is: 63,015.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,724.90 : 116,346.01 = 42,097.73 : x
  2. Step 2: Convert to fraction form
    77,724.90/116,346.01 = 42,097.73/x
  3. Step 3: Cross multiply
    77,724.90x = 116,346.01 × 42,097.73
  4. Step 4: Simplify right side
    77,724.90x = 4,897,903,311.67
  5. Step 5: Solve for x
    x = 4,897,903,311.67/77,724.90
  6. Step 6: Final answer
    x = 63,015.88

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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.