Home / 86,535.08-129,796.46-23,358.80

Finding the Fourth Proportional to 86,535.08, 129,796.46 and 23,358.80

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Solution

The fourth proportional to 86,535.08, 129,796.46 and 23,358.80 is: 35,036.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,535.08 : 129,796.46 = 23,358.80 : x
  2. Step 2: Convert to fraction form
    86,535.08/129,796.46 = 23,358.80/x
  3. Step 3: Cross multiply
    86,535.08x = 129,796.46 × 23,358.80
  4. Step 4: Simplify right side
    86,535.08x = 3,031,889,549.85
  5. Step 5: Solve for x
    x = 3,031,889,549.85/86,535.08
  6. Step 6: Final answer
    x = 35,036.54

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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.