Home / 79,113.96-109,177.36-43,306.24

Finding the Fourth Proportional to 79,113.96, 109,177.36 and 43,306.24

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Solution

The fourth proportional to 79,113.96, 109,177.36 and 43,306.24 is: 59,762.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,113.96 : 109,177.36 = 43,306.24 : x
  2. Step 2: Convert to fraction form
    79,113.96/109,177.36 = 43,306.24/x
  3. Step 3: Cross multiply
    79,113.96x = 109,177.36 × 43,306.24
  4. Step 4: Simplify right side
    79,113.96x = 4,728,060,954.73
  5. Step 5: Solve for x
    x = 4,728,060,954.73/79,113.96
  6. Step 6: Final answer
    x = 59,762.66

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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.