Home / 86,252.50-129,378.75-23,923

Finding the Fourth Proportional to 86,252.50, 129,378.75 and 23,923

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Solution

The fourth proportional to 86,252.50, 129,378.75 and 23,923 is: 35,884.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,252.50 : 129,378.75 = 23,923 : x
  2. Step 2: Convert to fraction form
    86,252.50/129,378.75 = 23,923/x
  3. Step 3: Cross multiply
    86,252.50x = 129,378.75 × 23,923
  4. Step 4: Simplify right side
    86,252.50x = 3,095,127,836.25
  5. Step 5: Solve for x
    x = 3,095,127,836.25/86,252.50
  6. Step 6: Final answer
    x = 35,884.50

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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.