Home / 70,015.92-96,593.40-42,777.84

Finding the Fourth Proportional to 70,015.92, 96,593.40 and 42,777.84

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Solution

The fourth proportional to 70,015.92, 96,593.40 and 42,777.84 is: 59,015.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,015.92 : 96,593.40 = 42,777.84 : x
  2. Step 2: Convert to fraction form
    70,015.92/96,593.40 = 42,777.84/x
  3. Step 3: Cross multiply
    70,015.92x = 96,593.40 × 42,777.84
  4. Step 4: Simplify right side
    70,015.92x = 4,132,057,010.26
  5. Step 5: Solve for x
    x = 4,132,057,010.26/70,015.92
  6. Step 6: Final answer
    x = 59,015.96

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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.