Home / 79,158.12-118,750.40-29,238.33

Finding the Fourth Proportional to 79,158.12, 118,750.40 and 29,238.33

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Solution

The fourth proportional to 79,158.12, 118,750.40 and 29,238.33 is: 43,862.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,158.12 : 118,750.40 = 29,238.33 : x
  2. Step 2: Convert to fraction form
    79,158.12/118,750.40 = 29,238.33/x
  3. Step 3: Cross multiply
    79,158.12x = 118,750.40 × 29,238.33
  4. Step 4: Simplify right side
    79,158.12x = 3,472,063,236.64
  5. Step 5: Solve for x
    x = 3,472,063,236.64/79,158.12
  6. Step 6: Final answer
    x = 43,862.38

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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.