Home / 88,501.22-122,131.20-48,214.88

Finding the Fourth Proportional to 88,501.22, 122,131.20 and 48,214.88

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Solution

The fourth proportional to 88,501.22, 122,131.20 and 48,214.88 is: 66,536.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,501.22 : 122,131.20 = 48,214.88 : x
  2. Step 2: Convert to fraction form
    88,501.22/122,131.20 = 48,214.88/x
  3. Step 3: Cross multiply
    88,501.22x = 122,131.20 × 48,214.88
  4. Step 4: Simplify right side
    88,501.22x = 5,888,541,152.26
  5. Step 5: Solve for x
    x = 5,888,541,152.26/88,501.22
  6. Step 6: Final answer
    x = 66,536.27

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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.