Home / 86,955.28-130,432.92-24,625.78

Finding the Fourth Proportional to 86,955.28, 130,432.92 and 24,625.78

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Solution

The fourth proportional to 86,955.28, 130,432.92 and 24,625.78 is: 36,938.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,955.28 : 130,432.92 = 24,625.78 : x
  2. Step 2: Convert to fraction form
    86,955.28/130,432.92 = 24,625.78/x
  3. Step 3: Cross multiply
    86,955.28x = 130,432.92 × 24,625.78
  4. Step 4: Simplify right side
    86,955.28x = 3,212,012,392.68
  5. Step 5: Solve for x
    x = 3,212,012,392.68/86,955.28
  6. Step 6: Final answer
    x = 36,938.67

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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.