Home / 70,016.92-96,594.78-42,778.84

Finding the Fourth Proportional to 70,016.92, 96,594.78 and 42,778.84

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Solution

The fourth proportional to 70,016.92, 96,594.78 and 42,778.84 is: 59,017.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,016.92 : 96,594.78 = 42,778.84 : x
  2. Step 2: Convert to fraction form
    70,016.92/96,594.78 = 42,778.84/x
  3. Step 3: Cross multiply
    70,016.92x = 96,594.78 × 42,778.84
  4. Step 4: Simplify right side
    70,016.92x = 4,132,212,638.46
  5. Step 5: Solve for x
    x = 4,132,212,638.46/70,016.92
  6. Step 6: Final answer
    x = 59,017.34

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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.