Home / 43,986.18-65,979.25-38,045.40

Finding the Fourth Proportional to 43,986.18, 65,979.25 and 38,045.40

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Solution

The fourth proportional to 43,986.18, 65,979.25 and 38,045.40 is: 57,068.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,986.18 : 65,979.25 = 38,045.40 : x
  2. Step 2: Convert to fraction form
    43,986.18/65,979.25 = 38,045.40/x
  3. Step 3: Cross multiply
    43,986.18x = 65,979.25 × 38,045.40
  4. Step 4: Simplify right side
    43,986.18x = 2,510,206,957.95
  5. Step 5: Solve for x
    x = 2,510,206,957.95/43,986.18
  6. Step 6: Final answer
    x = 57,068.08

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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.