Home / 86,816.80-130,225.20-27,658.45

Finding the Fourth Proportional to 86,816.80, 130,225.20 and 27,658.45

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Solution

The fourth proportional to 86,816.80, 130,225.20 and 27,658.45 is: 41,487.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,816.80 : 130,225.20 = 27,658.45 : x
  2. Step 2: Convert to fraction form
    86,816.80/130,225.20 = 27,658.45/x
  3. Step 3: Cross multiply
    86,816.80x = 130,225.20 × 27,658.45
  4. Step 4: Simplify right side
    86,816.80x = 3,601,827,182.94
  5. Step 5: Solve for x
    x = 3,601,827,182.94/86,816.80
  6. Step 6: Final answer
    x = 41,487.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.