Home / 84,889.06-127,254.44-28,689.87

Finding the Fourth Proportional to 84,889.06, 127,254.44 and 28,689.87

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Solution

The fourth proportional to 84,889.06, 127,254.44 and 28,689.87 is: 43,008.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,889.06 : 127,254.44 = 28,689.87 : x
  2. Step 2: Convert to fraction form
    84,889.06/127,254.44 = 28,689.87/x
  3. Step 3: Cross multiply
    84,889.06x = 127,254.44 × 28,689.87
  4. Step 4: Simplify right side
    84,889.06x = 3,650,913,340.52
  5. Step 5: Solve for x
    x = 3,650,913,340.52/84,889.06
  6. Step 6: Final answer
    x = 43,008.05

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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.