Home / 86,534.67-129,825.90-36,588.45

Finding the Fourth Proportional to 86,534.67, 129,825.90 and 36,588.45

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Solution

The fourth proportional to 86,534.67, 129,825.90 and 36,588.45 is: 54,892.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,534.67 : 129,825.90 = 36,588.45 : x
  2. Step 2: Convert to fraction form
    86,534.67/129,825.90 = 36,588.45/x
  3. Step 3: Cross multiply
    86,534.67x = 129,825.90 × 36,588.45
  4. Step 4: Simplify right side
    86,534.67x = 4,750,128,450.86
  5. Step 5: Solve for x
    x = 4,750,128,450.86/86,534.67
  6. Step 6: Final answer
    x = 54,892.78

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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.