Home / 88,419.08-122,014.59-48,132

Finding the Fourth Proportional to 88,419.08, 122,014.59 and 48,132

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Solution

The fourth proportional to 88,419.08, 122,014.59 and 48,132 is: 66,420.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,419.08 : 122,014.59 = 48,132 : x
  2. Step 2: Convert to fraction form
    88,419.08/122,014.59 = 48,132/x
  3. Step 3: Cross multiply
    88,419.08x = 122,014.59 × 48,132
  4. Step 4: Simplify right side
    88,419.08x = 5,872,806,245.88
  5. Step 5: Solve for x
    x = 5,872,806,245.88/88,419.08
  6. Step 6: Final answer
    x = 66,420.13

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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.