Home / 101,845.88-140,564.19-59,404.40

Finding the Fourth Proportional to 101,845.88, 140,564.19 and 59,404.40

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Solution

The fourth proportional to 101,845.88, 140,564.19 and 59,404.40 is: 81,987.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,845.88 : 140,564.19 = 59,404.40 : x
  2. Step 2: Convert to fraction form
    101,845.88/140,564.19 = 59,404.40/x
  3. Step 3: Cross multiply
    101,845.88x = 140,564.19 × 59,404.40
  4. Step 4: Simplify right side
    101,845.88x = 8,350,131,368.44
  5. Step 5: Solve for x
    x = 8,350,131,368.44/101,845.88
  6. Step 6: Final answer
    x = 81,987.92

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1.5x scale

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.