Home / 86,275.08-129,246.76-52,897.82

Finding the Fourth Proportional to 86,275.08, 129,246.76 and 52,897.82

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Solution

The fourth proportional to 86,275.08, 129,246.76 and 52,897.82 is: 79,245.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,275.08 : 129,246.76 = 52,897.82 : x
  2. Step 2: Convert to fraction form
    86,275.08/129,246.76 = 52,897.82/x
  3. Step 3: Cross multiply
    86,275.08x = 129,246.76 × 52,897.82
  4. Step 4: Simplify right side
    86,275.08x = 6,836,871,846.06
  5. Step 5: Solve for x
    x = 6,836,871,846.06/86,275.08
  6. Step 6: Final answer
    x = 79,245.04

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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.