Home / 70,129.80-96,777.59-38,298.83

Finding the Fourth Proportional to 70,129.80, 96,777.59 and 38,298.83

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Solution

The fourth proportional to 70,129.80, 96,777.59 and 38,298.83 is: 52,851.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,129.80 : 96,777.59 = 38,298.83 : x
  2. Step 2: Convert to fraction form
    70,129.80/96,777.59 = 38,298.83/x
  3. Step 3: Cross multiply
    70,129.80x = 96,777.59 × 38,298.83
  4. Step 4: Simplify right side
    70,129.80x = 3,706,467,791.84
  5. Step 5: Solve for x
    x = 3,706,467,791.84/70,129.80
  6. Step 6: Final answer
    x = 52,851.54

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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.