Home / 77,069.12-106,366.68-45,255.44

Finding the Fourth Proportional to 77,069.12, 106,366.68 and 45,255.44

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Solution

The fourth proportional to 77,069.12, 106,366.68 and 45,255.44 is: 62,459.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,069.12 : 106,366.68 = 45,255.44 : x
  2. Step 2: Convert to fraction form
    77,069.12/106,366.68 = 45,255.44/x
  3. Step 3: Cross multiply
    77,069.12x = 106,366.68 × 45,255.44
  4. Step 4: Simplify right side
    77,069.12x = 4,813,670,904.74
  5. Step 5: Solve for x
    x = 4,813,670,904.74/77,069.12
  6. Step 6: Final answer
    x = 62,459.14

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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.