Home / 80,824.18-111,498.78-62,795.80

Finding the Fourth Proportional to 80,824.18, 111,498.78 and 62,795.80

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Solution

The fourth proportional to 80,824.18, 111,498.78 and 62,795.80 is: 86,628.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,824.18 : 111,498.78 = 62,795.80 : x
  2. Step 2: Convert to fraction form
    80,824.18/111,498.78 = 62,795.80/x
  3. Step 3: Cross multiply
    80,824.18x = 111,498.78 × 62,795.80
  4. Step 4: Simplify right side
    80,824.18x = 7,001,655,089.12
  5. Step 5: Solve for x
    x = 7,001,655,089.12/80,824.18
  6. Step 6: Final answer
    x = 86,628.22

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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.