Home / 86,715.24-119,686.32-52,716.52

Finding the Fourth Proportional to 86,715.24, 119,686.32 and 52,716.52

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Solution

The fourth proportional to 86,715.24, 119,686.32 and 52,716.52 is: 72,760.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,715.24 : 119,686.32 = 52,716.52 : x
  2. Step 2: Convert to fraction form
    86,715.24/119,686.32 = 52,716.52/x
  3. Step 3: Cross multiply
    86,715.24x = 119,686.32 × 52,716.52
  4. Step 4: Simplify right side
    86,715.24x = 6,309,445,610.11
  5. Step 5: Solve for x
    x = 6,309,445,610.11/86,715.24
  6. Step 6: Final answer
    x = 72,760.52

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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.