Home / 88,087.60-121,559.84-47,801.04

Finding the Fourth Proportional to 88,087.60, 121,559.84 and 47,801.04

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Solution

The fourth proportional to 88,087.60, 121,559.84 and 47,801.04 is: 65,964.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,087.60 : 121,559.84 = 47,801.04 : x
  2. Step 2: Convert to fraction form
    88,087.60/121,559.84 = 47,801.04/x
  3. Step 3: Cross multiply
    88,087.60x = 121,559.84 × 47,801.04
  4. Step 4: Simplify right side
    88,087.60x = 5,810,686,258.63
  5. Step 5: Solve for x
    x = 5,810,686,258.63/88,087.60
  6. Step 6: Final answer
    x = 65,964.86

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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.