Home / 93,023.40-139,535.10-89,815.80

Finding the Fourth Proportional to 93,023.40, 139,535.10 and 89,815.80

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Solution

The fourth proportional to 93,023.40, 139,535.10 and 89,815.80 is: 134,723.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,023.40 : 139,535.10 = 89,815.80 : x
  2. Step 2: Convert to fraction form
    93,023.40/139,535.10 = 89,815.80/x
  3. Step 3: Cross multiply
    93,023.40x = 139,535.10 × 89,815.80
  4. Step 4: Simplify right side
    93,023.40x = 12,532,456,634.58
  5. Step 5: Solve for x
    x = 12,532,456,634.58/93,023.40
  6. Step 6: Final answer
    x = 134,723.70

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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.