Home / 115,246.49-159,032.02-64,257.04

Finding the Fourth Proportional to 115,246.49, 159,032.02 and 64,257.04

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Solution

The fourth proportional to 115,246.49, 159,032.02 and 64,257.04 is: 88,670.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,246.49 : 159,032.02 = 64,257.04 : x
  2. Step 2: Convert to fraction form
    115,246.49/159,032.02 = 64,257.04/x
  3. Step 3: Cross multiply
    115,246.49x = 159,032.02 × 64,257.04
  4. Step 4: Simplify right side
    115,246.49x = 10,218,926,870.42
  5. Step 5: Solve for x
    x = 10,218,926,870.42/115,246.49
  6. Step 6: Final answer
    x = 88,670.18

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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.