Home / 62,301.20-85,975.08-38,418.32

Finding the Fourth Proportional to 62,301.20, 85,975.08 and 38,418.32

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Solution

The fourth proportional to 62,301.20, 85,975.08 and 38,418.32 is: 53,016.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,301.20 : 85,975.08 = 38,418.32 : x
  2. Step 2: Convert to fraction form
    62,301.20/85,975.08 = 38,418.32/x
  3. Step 3: Cross multiply
    62,301.20x = 85,975.08 × 38,418.32
  4. Step 4: Simplify right side
    62,301.20x = 3,303,018,135.47
  5. Step 5: Solve for x
    x = 3,303,018,135.47/62,301.20
  6. Step 6: Final answer
    x = 53,016.93

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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.