Home / 62,690.09-86,512.05-34,395.17

Finding the Fourth Proportional to 62,690.09, 86,512.05 and 34,395.17

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Solution

The fourth proportional to 62,690.09, 86,512.05 and 34,395.17 is: 47,465.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,690.09 : 86,512.05 = 34,395.17 : x
  2. Step 2: Convert to fraction form
    62,690.09/86,512.05 = 34,395.17/x
  3. Step 3: Cross multiply
    62,690.09x = 86,512.05 × 34,395.17
  4. Step 4: Simplify right side
    62,690.09x = 2,975,596,234.24
  5. Step 5: Solve for x
    x = 2,975,596,234.24/62,690.09
  6. Step 6: Final answer
    x = 47,465.18

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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.