Home / 86,765.47-130,149.35-23,588.71

Finding the Fourth Proportional to 86,765.47, 130,149.35 and 23,588.71

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Solution

The fourth proportional to 86,765.47, 130,149.35 and 23,588.71 is: 35,383.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,765.47 : 130,149.35 = 23,588.71 : x
  2. Step 2: Convert to fraction form
    86,765.47/130,149.35 = 23,588.71/x
  3. Step 3: Cross multiply
    86,765.47x = 130,149.35 × 23,588.71
  4. Step 4: Simplify right side
    86,765.47x = 3,070,055,155.89
  5. Step 5: Solve for x
    x = 3,070,055,155.89/86,765.47
  6. Step 6: Final answer
    x = 35,383.37

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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.