Home / 86,822.28-130,243.95-24,492.78

Finding the Fourth Proportional to 86,822.28, 130,243.95 and 24,492.78

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Solution

The fourth proportional to 86,822.28, 130,243.95 and 24,492.78 is: 36,742.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,822.28 : 130,243.95 = 24,492.78 : x
  2. Step 2: Convert to fraction form
    86,822.28/130,243.95 = 24,492.78/x
  3. Step 3: Cross multiply
    86,822.28x = 130,243.95 × 24,492.78
  4. Step 4: Simplify right side
    86,822.28x = 3,190,036,413.68
  5. Step 5: Solve for x
    x = 3,190,036,413.68/86,822.28
  6. Step 6: Final answer
    x = 36,742.14

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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.