Home / 86,823.50-130,277.16-75,600.14

Finding the Fourth Proportional to 86,823.50, 130,277.16 and 75,600.14

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Solution

The fourth proportional to 86,823.50, 130,277.16 and 75,600.14 is: 113,436.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,823.50 : 130,277.16 = 75,600.14 : x
  2. Step 2: Convert to fraction form
    86,823.50/130,277.16 = 75,600.14/x
  3. Step 3: Cross multiply
    86,823.50x = 130,277.16 × 75,600.14
  4. Step 4: Simplify right side
    86,823.50x = 9,848,970,883.42
  5. Step 5: Solve for x
    x = 9,848,970,883.42/86,823.50
  6. Step 6: Final answer
    x = 113,436.70

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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.