Home / 93,965.82-129,678.78-62,078.82

Finding the Fourth Proportional to 93,965.82, 129,678.78 and 62,078.82

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Solution

The fourth proportional to 93,965.82, 129,678.78 and 62,078.82 is: 85,672.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,965.82 : 129,678.78 = 62,078.82 : x
  2. Step 2: Convert to fraction form
    93,965.82/129,678.78 = 62,078.82/x
  3. Step 3: Cross multiply
    93,965.82x = 129,678.78 × 62,078.82
  4. Step 4: Simplify right side
    93,965.82x = 8,050,305,641.44
  5. Step 5: Solve for x
    x = 8,050,305,641.44/93,965.82
  6. Step 6: Final answer
    x = 85,672.70

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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.