Home / 51,651.79-77,519.19-26,699.15

Finding the Fourth Proportional to 51,651.79, 77,519.19 and 26,699.15

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Solution

The fourth proportional to 51,651.79, 77,519.19 and 26,699.15 is: 40,070.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,651.79 : 77,519.19 = 26,699.15 : x
  2. Step 2: Convert to fraction form
    51,651.79/77,519.19 = 26,699.15/x
  3. Step 3: Cross multiply
    51,651.79x = 77,519.19 × 26,699.15
  4. Step 4: Simplify right side
    51,651.79x = 2,069,696,094.09
  5. Step 5: Solve for x
    x = 2,069,696,094.09/51,651.79
  6. Step 6: Final answer
    x = 40,070.18

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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.