Home / 88,394.76-121,953.98-50,149.80

Finding the Fourth Proportional to 88,394.76, 121,953.98 and 50,149.80

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Solution

The fourth proportional to 88,394.76, 121,953.98 and 50,149.80 is: 69,189.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,394.76 : 121,953.98 = 50,149.80 : x
  2. Step 2: Convert to fraction form
    88,394.76/121,953.98 = 50,149.80/x
  3. Step 3: Cross multiply
    88,394.76x = 121,953.98 × 50,149.80
  4. Step 4: Simplify right side
    88,394.76x = 6,115,967,706.20
  5. Step 5: Solve for x
    x = 6,115,967,706.20/88,394.76
  6. Step 6: Final answer
    x = 69,189.26

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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.