Home / 88,421.08-122,017.34-48,134

Finding the Fourth Proportional to 88,421.08, 122,017.34 and 48,134

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Solution

The fourth proportional to 88,421.08, 122,017.34 and 48,134 is: 66,422.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,421.08 : 122,017.34 = 48,134 : x
  2. Step 2: Convert to fraction form
    88,421.08/122,017.34 = 48,134/x
  3. Step 3: Cross multiply
    88,421.08x = 122,017.34 × 48,134
  4. Step 4: Simplify right side
    88,421.08x = 5,873,182,643.56
  5. Step 5: Solve for x
    x = 5,873,182,643.56/88,421.08
  6. Step 6: Final answer
    x = 66,422.88

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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.