Home / 78,197.08-117,302.40-22,037.55

Finding the Fourth Proportional to 78,197.08, 117,302.40 and 22,037.55

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Solution

The fourth proportional to 78,197.08, 117,302.40 and 22,037.55 is: 33,058.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,197.08 : 117,302.40 = 22,037.55 : x
  2. Step 2: Convert to fraction form
    78,197.08/117,302.40 = 22,037.55/x
  3. Step 3: Cross multiply
    78,197.08x = 117,302.40 × 22,037.55
  4. Step 4: Simplify right side
    78,197.08x = 2,585,057,505.12
  5. Step 5: Solve for x
    x = 2,585,057,505.12/78,197.08
  6. Step 6: Final answer
    x = 33,058.24

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1.5x scale

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.