Home / 77,806.04-107,373.72-45,974.87

Finding the Fourth Proportional to 77,806.04, 107,373.72 and 45,974.87

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Solution

The fourth proportional to 77,806.04, 107,373.72 and 45,974.87 is: 63,446.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,806.04 : 107,373.72 = 45,974.87 : x
  2. Step 2: Convert to fraction form
    77,806.04/107,373.72 = 45,974.87/x
  3. Step 3: Cross multiply
    77,806.04x = 107,373.72 × 45,974.87
  4. Step 4: Simplify right side
    77,806.04x = 4,936,492,281.55
  5. Step 5: Solve for x
    x = 4,936,492,281.55/77,806.04
  6. Step 6: Final answer
    x = 63,446.14

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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.