Home / 64,862.28-89,510.48-36,180.99

Finding the Fourth Proportional to 64,862.28, 89,510.48 and 36,180.99

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Solution

The fourth proportional to 64,862.28, 89,510.48 and 36,180.99 is: 49,930.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,862.28 : 89,510.48 = 36,180.99 : x
  2. Step 2: Convert to fraction form
    64,862.28/89,510.48 = 36,180.99/x
  3. Step 3: Cross multiply
    64,862.28x = 89,510.48 × 36,180.99
  4. Step 4: Simplify right side
    64,862.28x = 3,238,577,600.87
  5. Step 5: Solve for x
    x = 3,238,577,600.87/64,862.28
  6. Step 6: Final answer
    x = 49,930.06

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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.