Home / 115,422.24-159,282.02-64,432.02

Finding the Fourth Proportional to 115,422.24, 159,282.02 and 64,432.02

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Solution

The fourth proportional to 115,422.24, 159,282.02 and 64,432.02 is: 88,915.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,422.24 : 159,282.02 = 64,432.02 : x
  2. Step 2: Convert to fraction form
    115,422.24/159,282.02 = 64,432.02/x
  3. Step 3: Cross multiply
    115,422.24x = 159,282.02 × 64,432.02
  4. Step 4: Simplify right side
    115,422.24x = 10,262,862,298.28
  5. Step 5: Solve for x
    x = 10,262,862,298.28/115,422.24
  6. Step 6: Final answer
    x = 88,915.81

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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.