Home / 77,701.10-116,334.64-42,034.88

Finding the Fourth Proportional to 77,701.10, 116,334.64 and 42,034.88

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Solution

The fourth proportional to 77,701.10, 116,334.64 and 42,034.88 is: 62,934.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,701.10 : 116,334.64 = 42,034.88 : x
  2. Step 2: Convert to fraction form
    77,701.10/116,334.64 = 42,034.88/x
  3. Step 3: Cross multiply
    77,701.10x = 116,334.64 × 42,034.88
  4. Step 4: Simplify right side
    77,701.10x = 4,890,112,817.99
  5. Step 5: Solve for x
    x = 4,890,112,817.99/77,701.10
  6. Step 6: Final answer
    x = 62,934.92

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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.