Home / 62,620.40-86,414.28-34,325.12

Finding the Fourth Proportional to 62,620.40, 86,414.28 and 34,325.12

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Solution

The fourth proportional to 62,620.40, 86,414.28 and 34,325.12 is: 47,367.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,620.40 : 86,414.28 = 34,325.12 : x
  2. Step 2: Convert to fraction form
    62,620.40/86,414.28 = 34,325.12/x
  3. Step 3: Cross multiply
    62,620.40x = 86,414.28 × 34,325.12
  4. Step 4: Simplify right side
    62,620.40x = 2,966,180,530.71
  5. Step 5: Solve for x
    x = 2,966,180,530.71/62,620.40
  6. Step 6: Final answer
    x = 47,367.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.