Home / 86,147.07-129,223.02-23,817.57

Finding the Fourth Proportional to 86,147.07, 129,223.02 and 23,817.57

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Solution

The fourth proportional to 86,147.07, 129,223.02 and 23,817.57 is: 35,727.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,147.07 : 129,223.02 = 23,817.57 : x
  2. Step 2: Convert to fraction form
    86,147.07/129,223.02 = 23,817.57/x
  3. Step 3: Cross multiply
    86,147.07x = 129,223.02 × 23,817.57
  4. Step 4: Simplify right side
    86,147.07x = 3,077,778,324.46
  5. Step 5: Solve for x
    x = 3,077,778,324.46/86,147.07
  6. Step 6: Final answer
    x = 35,727.02

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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.