Home / 75,122.48-103,674.02-43,293.42

Finding the Fourth Proportional to 75,122.48, 103,674.02 and 43,293.42

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Solution

The fourth proportional to 75,122.48, 103,674.02 and 43,293.42 is: 59,747.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,122.48 : 103,674.02 = 43,293.42 : x
  2. Step 2: Convert to fraction form
    75,122.48/103,674.02 = 43,293.42/x
  3. Step 3: Cross multiply
    75,122.48x = 103,674.02 × 43,293.42
  4. Step 4: Simplify right side
    75,122.48x = 4,488,402,890.95
  5. Step 5: Solve for x
    x = 4,488,402,890.95/75,122.48
  6. Step 6: Final answer
    x = 59,747.80

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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.