Home / 77,439.18-106,926.27-59,505.90

Finding the Fourth Proportional to 77,439.18, 106,926.27 and 59,505.90

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Solution

The fourth proportional to 77,439.18, 106,926.27 and 59,505.90 is: 82,164.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,439.18 : 106,926.27 = 59,505.90 : x
  2. Step 2: Convert to fraction form
    77,439.18/106,926.27 = 59,505.90/x
  3. Step 3: Cross multiply
    77,439.18x = 106,926.27 × 59,505.90
  4. Step 4: Simplify right side
    77,439.18x = 6,362,743,929.99
  5. Step 5: Solve for x
    x = 6,362,743,929.99/77,439.18
  6. Step 6: Final answer
    x = 82,164.40

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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.