Home / 88,209.04-121,729.30-47,923.08

Finding the Fourth Proportional to 88,209.04, 121,729.30 and 47,923.08

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Solution

The fourth proportional to 88,209.04, 121,729.30 and 47,923.08 is: 66,134.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,209.04 : 121,729.30 = 47,923.08 : x
  2. Step 2: Convert to fraction form
    88,209.04/121,729.30 = 47,923.08/x
  3. Step 3: Cross multiply
    88,209.04x = 121,729.30 × 47,923.08
  4. Step 4: Simplify right side
    88,209.04x = 5,833,642,982.24
  5. Step 5: Solve for x
    x = 5,833,642,982.24/88,209.04
  6. Step 6: Final answer
    x = 66,134.30

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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.