Home / 86,235.84-129,334.32-23,911.20

Finding the Fourth Proportional to 86,235.84, 129,334.32 and 23,911.20

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Solution

The fourth proportional to 86,235.84, 129,334.32 and 23,911.20 is: 35,861.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,235.84 : 129,334.32 = 23,911.20 : x
  2. Step 2: Convert to fraction form
    86,235.84/129,334.32 = 23,911.20/x
  3. Step 3: Cross multiply
    86,235.84x = 129,334.32 × 23,911.20
  4. Step 4: Simplify right side
    86,235.84x = 3,092,538,792.38
  5. Step 5: Solve for x
    x = 3,092,538,792.38/86,235.84
  6. Step 6: Final answer
    x = 35,861.41

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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.