Home / 79,030.38-118,520.96-26,427.56

Finding the Fourth Proportional to 79,030.38, 118,520.96 and 26,427.56

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Solution

The fourth proportional to 79,030.38, 118,520.96 and 26,427.56 is: 39,633.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,030.38 : 118,520.96 = 26,427.56 : x
  2. Step 2: Convert to fraction form
    79,030.38/118,520.96 = 26,427.56/x
  3. Step 3: Cross multiply
    79,030.38x = 118,520.96 × 26,427.56
  4. Step 4: Simplify right side
    79,030.38x = 3,132,219,781.66
  5. Step 5: Solve for x
    x = 3,132,219,781.66/79,030.38
  6. Step 6: Final answer
    x = 39,633.11

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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.