Home / 94,042.26-129,778.32-53,756.90

Finding the Fourth Proportional to 94,042.26, 129,778.32 and 53,756.90

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Solution

The fourth proportional to 94,042.26, 129,778.32 and 53,756.90 is: 74,184.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,042.26 : 129,778.32 = 53,756.90 : x
  2. Step 2: Convert to fraction form
    94,042.26/129,778.32 = 53,756.90/x
  3. Step 3: Cross multiply
    94,042.26x = 129,778.32 × 53,756.90
  4. Step 4: Simplify right side
    94,042.26x = 6,976,480,170.41
  5. Step 5: Solve for x
    x = 6,976,480,170.41/94,042.26
  6. Step 6: Final answer
    x = 74,184.52

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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.