Home / 93,778.14-129,414.05-51,339.40

Finding the Fourth Proportional to 93,778.14, 129,414.05 and 51,339.40

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Solution

The fourth proportional to 93,778.14, 129,414.05 and 51,339.40 is: 70,848.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,778.14 : 129,414.05 = 51,339.40 : x
  2. Step 2: Convert to fraction form
    93,778.14/129,414.05 = 51,339.40/x
  3. Step 3: Cross multiply
    93,778.14x = 129,414.05 × 51,339.40
  4. Step 4: Simplify right side
    93,778.14x = 6,644,039,678.57
  5. Step 5: Solve for x
    x = 6,644,039,678.57/93,778.14
  6. Step 6: Final answer
    x = 70,848.49

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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.