Home / 88,209.08-121,701.70-49,962.54

Finding the Fourth Proportional to 88,209.08, 121,701.70 and 49,962.54

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Solution

The fourth proportional to 88,209.08, 121,701.70 and 49,962.54 is: 68,933.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,209.08 : 121,701.70 = 49,962.54 : x
  2. Step 2: Convert to fraction form
    88,209.08/121,701.70 = 49,962.54/x
  3. Step 3: Cross multiply
    88,209.08x = 121,701.70 × 49,962.54
  4. Step 4: Simplify right side
    88,209.08x = 6,080,525,804.51
  5. Step 5: Solve for x
    x = 6,080,525,804.51/88,209.08
  6. Step 6: Final answer
    x = 68,933.11

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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.