Home / 83,210.09-124,846.31-43,204.10

Finding the Fourth Proportional to 83,210.09, 124,846.31 and 43,204.10

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Solution

The fourth proportional to 83,210.09, 124,846.31 and 43,204.10 is: 64,822.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,210.09 : 124,846.31 = 43,204.10 : x
  2. Step 2: Convert to fraction form
    83,210.09/124,846.31 = 43,204.10/x
  3. Step 3: Cross multiply
    83,210.09x = 124,846.31 × 43,204.10
  4. Step 4: Simplify right side
    83,210.09x = 5,393,871,621.62
  5. Step 5: Solve for x
    x = 5,393,871,621.62/83,210.09
  6. Step 6: Final answer
    x = 64,822.33

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.