Home / 88,235.42-121,764.48-47,948.42

Finding the Fourth Proportional to 88,235.42, 121,764.48 and 47,948.42

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Solution

The fourth proportional to 88,235.42, 121,764.48 and 47,948.42 is: 66,168.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,235.42 : 121,764.48 = 47,948.42 : x
  2. Step 2: Convert to fraction form
    88,235.42/121,764.48 = 47,948.42/x
  3. Step 3: Cross multiply
    88,235.42x = 121,764.48 × 47,948.42
  4. Step 4: Simplify right side
    88,235.42x = 5,838,414,428.12
  5. Step 5: Solve for x
    x = 5,838,414,428.12/88,235.42
  6. Step 6: Final answer
    x = 66,168.60

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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.