Home / 88,115.04-121,577.76-50,388.48

Finding the Fourth Proportional to 88,115.04, 121,577.76 and 50,388.48

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Solution

The fourth proportional to 88,115.04, 121,577.76 and 50,388.48 is: 69,524.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,115.04 : 121,577.76 = 50,388.48 : x
  2. Step 2: Convert to fraction form
    88,115.04/121,577.76 = 50,388.48/x
  3. Step 3: Cross multiply
    88,115.04x = 121,577.76 × 50,388.48
  4. Step 4: Simplify right side
    88,115.04x = 6,126,118,528.20
  5. Step 5: Solve for x
    x = 6,126,118,528.20/88,115.04
  6. Step 6: Final answer
    x = 69,524.10

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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.