Home / 101,742.86-140,414.02-59,300.48

Finding the Fourth Proportional to 101,742.86, 140,414.02 and 59,300.48

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Solution

The fourth proportional to 101,742.86, 140,414.02 and 59,300.48 is: 81,839.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,742.86 : 140,414.02 = 59,300.48 : x
  2. Step 2: Convert to fraction form
    101,742.86/140,414.02 = 59,300.48/x
  3. Step 3: Cross multiply
    101,742.86x = 140,414.02 × 59,300.48
  4. Step 4: Simplify right side
    101,742.86x = 8,326,617,934.41
  5. Step 5: Solve for x
    x = 8,326,617,934.41/101,742.86
  6. Step 6: Final answer
    x = 81,839.83

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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.