Home / 83,669.02-115,463.01-50,135.02

Finding the Fourth Proportional to 83,669.02, 115,463.01 and 50,135.02

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Solution

The fourth proportional to 83,669.02, 115,463.01 and 50,135.02 is: 69,186.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,669.02 : 115,463.01 = 50,135.02 : x
  2. Step 2: Convert to fraction form
    83,669.02/115,463.01 = 50,135.02/x
  3. Step 3: Cross multiply
    83,669.02x = 115,463.01 × 50,135.02
  4. Step 4: Simplify right side
    83,669.02x = 5,788,740,315.61
  5. Step 5: Solve for x
    x = 5,788,740,315.61/83,669.02
  6. Step 6: Final answer
    x = 69,186.19

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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.