Home / 86,916.54-130,401.07-36,340.14

Finding the Fourth Proportional to 86,916.54, 130,401.07 and 36,340.14

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Solution

The fourth proportional to 86,916.54, 130,401.07 and 36,340.14 is: 54,521.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,916.54 : 130,401.07 = 36,340.14 : x
  2. Step 2: Convert to fraction form
    86,916.54/130,401.07 = 36,340.14/x
  3. Step 3: Cross multiply
    86,916.54x = 130,401.07 × 36,340.14
  4. Step 4: Simplify right side
    86,916.54x = 4,738,793,139.95
  5. Step 5: Solve for x
    x = 4,738,793,139.95/86,916.54
  6. Step 6: Final answer
    x = 54,521.19

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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.