Home / 93,815.20-129,465.74-55,576.92

Finding the Fourth Proportional to 93,815.20, 129,465.74 and 55,576.92

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Solution

The fourth proportional to 93,815.20, 129,465.74 and 55,576.92 is: 76,696.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,815.20 : 129,465.74 = 55,576.92 : x
  2. Step 2: Convert to fraction form
    93,815.20/129,465.74 = 55,576.92/x
  3. Step 3: Cross multiply
    93,815.20x = 129,465.74 × 55,576.92
  4. Step 4: Simplify right side
    93,815.20x = 7,195,307,398.39
  5. Step 5: Solve for x
    x = 7,195,307,398.39/93,815.20
  6. Step 6: Final answer
    x = 76,696.61

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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.