Home / 62,401.39-86,112.64-34,107.28

Finding the Fourth Proportional to 62,401.39, 86,112.64 and 34,107.28

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Solution

The fourth proportional to 62,401.39, 86,112.64 and 34,107.28 is: 47,067.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,401.39 : 86,112.64 = 34,107.28 : x
  2. Step 2: Convert to fraction form
    62,401.39/86,112.64 = 34,107.28/x
  3. Step 3: Cross multiply
    62,401.39x = 86,112.64 × 34,107.28
  4. Step 4: Simplify right side
    62,401.39x = 2,937,067,924.02
  5. Step 5: Solve for x
    x = 2,937,067,924.02/62,401.39
  6. Step 6: Final answer
    x = 47,067.35

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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.