Home / 89,985.41-124,177.49-49,698.31

Finding the Fourth Proportional to 89,985.41, 124,177.49 and 49,698.31

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Solution

The fourth proportional to 89,985.41, 124,177.49 and 49,698.31 is: 68,582.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,985.41 : 124,177.49 = 49,698.31 : x
  2. Step 2: Convert to fraction form
    89,985.41/124,177.49 = 49,698.31/x
  3. Step 3: Cross multiply
    89,985.41x = 124,177.49 × 49,698.31
  4. Step 4: Simplify right side
    89,985.41x = 6,171,411,393.04
  5. Step 5: Solve for x
    x = 6,171,411,393.04/89,985.41
  6. Step 6: Final answer
    x = 68,582.36

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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.