Home / 60,342.08-83,221.44-38,835.20

Finding the Fourth Proportional to 60,342.08, 83,221.44 and 38,835.20

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Solution

The fourth proportional to 60,342.08, 83,221.44 and 38,835.20 is: 53,559.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,342.08 : 83,221.44 = 38,835.20 : x
  2. Step 2: Convert to fraction form
    60,342.08/83,221.44 = 38,835.20/x
  3. Step 3: Cross multiply
    60,342.08x = 83,221.44 × 38,835.20
  4. Step 4: Simplify right side
    60,342.08x = 3,231,921,266.69
  5. Step 5: Solve for x
    x = 3,231,921,266.69/60,342.08
  6. Step 6: Final answer
    x = 53,559.99

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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.