Home / 64,278.28-88,705.02-38,785.96

Finding the Fourth Proportional to 64,278.28, 88,705.02 and 38,785.96

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Solution

The fourth proportional to 64,278.28, 88,705.02 and 38,785.96 is: 53,525.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,278.28 : 88,705.02 = 38,785.96 : x
  2. Step 2: Convert to fraction form
    64,278.28/88,705.02 = 38,785.96/x
  3. Step 3: Cross multiply
    64,278.28x = 88,705.02 × 38,785.96
  4. Step 4: Simplify right side
    64,278.28x = 3,440,509,357.52
  5. Step 5: Solve for x
    x = 3,440,509,357.52/64,278.28
  6. Step 6: Final answer
    x = 53,525.22

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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.