Home / 69,387.48-95,751.05-40,703.18

Finding the Fourth Proportional to 69,387.48, 95,751.05 and 40,703.18

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Solution

The fourth proportional to 69,387.48, 95,751.05 and 40,703.18 is: 56,168.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,387.48 : 95,751.05 = 40,703.18 : x
  2. Step 2: Convert to fraction form
    69,387.48/95,751.05 = 40,703.18/x
  3. Step 3: Cross multiply
    69,387.48x = 95,751.05 × 40,703.18
  4. Step 4: Simplify right side
    69,387.48x = 3,897,371,541.07
  5. Step 5: Solve for x
    x = 3,897,371,541.07/69,387.48
  6. Step 6: Final answer
    x = 56,168.22

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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.