Home / 86,147.06-129,223.01-23,817.56

Finding the Fourth Proportional to 86,147.06, 129,223.01 and 23,817.56

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Solution

The fourth proportional to 86,147.06, 129,223.01 and 23,817.56 is: 35,727.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,147.06 : 129,223.01 = 23,817.56 : x
  2. Step 2: Convert to fraction form
    86,147.06/129,223.01 = 23,817.56/x
  3. Step 3: Cross multiply
    86,147.06x = 129,223.01 × 23,817.56
  4. Step 4: Simplify right side
    86,147.06x = 3,077,776,207.48
  5. Step 5: Solve for x
    x = 3,077,776,207.48/86,147.06
  6. Step 6: Final answer
    x = 35,727.00

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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.