Home / 77,624.40-107,162.46-52,264.11

Finding the Fourth Proportional to 77,624.40, 107,162.46 and 52,264.11

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Solution

The fourth proportional to 77,624.40, 107,162.46 and 52,264.11 is: 72,151.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,624.40 : 107,162.46 = 52,264.11 : x
  2. Step 2: Convert to fraction form
    77,624.40/107,162.46 = 52,264.11/x
  3. Step 3: Cross multiply
    77,624.40x = 107,162.46 × 52,264.11
  4. Step 4: Simplify right side
    77,624.40x = 5,600,750,597.31
  5. Step 5: Solve for x
    x = 5,600,750,597.31/77,624.40
  6. Step 6: Final answer
    x = 72,151.93

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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.