Home / 78,700.25-118,085.17-41,251.36

Finding the Fourth Proportional to 78,700.25, 118,085.17 and 41,251.36

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Solution

The fourth proportional to 78,700.25, 118,085.17 and 41,251.36 is: 61,895.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,700.25 : 118,085.17 = 41,251.36 : x
  2. Step 2: Convert to fraction form
    78,700.25/118,085.17 = 41,251.36/x
  3. Step 3: Cross multiply
    78,700.25x = 118,085.17 × 41,251.36
  4. Step 4: Simplify right side
    78,700.25x = 4,871,173,858.33
  5. Step 5: Solve for x
    x = 4,871,173,858.33/78,700.25
  6. Step 6: Final answer
    x = 61,895.28

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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.