Home / 62,640.14-86,443.35-34,346.30

Finding the Fourth Proportional to 62,640.14, 86,443.35 and 34,346.30

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Solution

The fourth proportional to 62,640.14, 86,443.35 and 34,346.30 is: 47,397.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,640.14 : 86,443.35 = 34,346.30 : x
  2. Step 2: Convert to fraction form
    62,640.14/86,443.35 = 34,346.30/x
  3. Step 3: Cross multiply
    62,640.14x = 86,443.35 × 34,346.30
  4. Step 4: Simplify right side
    62,640.14x = 2,969,009,232.11
  5. Step 5: Solve for x
    x = 2,969,009,232.11/62,640.14
  6. Step 6: Final answer
    x = 47,397.87

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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.