Home / 86,390.96-129,577.68-23,202.86

Finding the Fourth Proportional to 86,390.96, 129,577.68 and 23,202.86

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Solution

The fourth proportional to 86,390.96, 129,577.68 and 23,202.86 is: 34,801.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,390.96 : 129,577.68 = 23,202.86 : x
  2. Step 2: Convert to fraction form
    86,390.96/129,577.68 = 23,202.86/x
  3. Step 3: Cross multiply
    86,390.96x = 129,577.68 × 23,202.86
  4. Step 4: Simplify right side
    86,390.96x = 3,006,572,768.16
  5. Step 5: Solve for x
    x = 3,006,572,768.16/86,390.96
  6. Step 6: Final answer
    x = 34,801.94

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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.