Home / 79,050.42-109,091.19-43,242.78

Finding the Fourth Proportional to 79,050.42, 109,091.19 and 43,242.78

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Solution

The fourth proportional to 79,050.42, 109,091.19 and 43,242.78 is: 59,675.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,050.42 : 109,091.19 = 43,242.78 : x
  2. Step 2: Convert to fraction form
    79,050.42/109,091.19 = 43,242.78/x
  3. Step 3: Cross multiply
    79,050.42x = 109,091.19 × 43,242.78
  4. Step 4: Simplify right side
    79,050.42x = 4,717,406,329.11
  5. Step 5: Solve for x
    x = 4,717,406,329.11/79,050.42
  6. Step 6: Final answer
    x = 59,675.92

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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.