Home / 93,028.80-139,543.20-88,217.40

Finding the Fourth Proportional to 93,028.80, 139,543.20 and 88,217.40

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Solution

The fourth proportional to 93,028.80, 139,543.20 and 88,217.40 is: 132,326.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,028.80 : 139,543.20 = 88,217.40 : x
  2. Step 2: Convert to fraction form
    93,028.80/139,543.20 = 88,217.40/x
  3. Step 3: Cross multiply
    93,028.80x = 139,543.20 × 88,217.40
  4. Step 4: Simplify right side
    93,028.80x = 12,310,138,291.68
  5. Step 5: Solve for x
    x = 12,310,138,291.68/93,028.80
  6. Step 6: Final answer
    x = 132,326.10

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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.