Home / 88,741.40-122,468.08-48,458.90

Finding the Fourth Proportional to 88,741.40, 122,468.08 and 48,458.90

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Solution

The fourth proportional to 88,741.40, 122,468.08 and 48,458.90 is: 66,875.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,741.40 : 122,468.08 = 48,458.90 : x
  2. Step 2: Convert to fraction form
    88,741.40/122,468.08 = 48,458.90/x
  3. Step 3: Cross multiply
    88,741.40x = 122,468.08 × 48,458.90
  4. Step 4: Simplify right side
    88,741.40x = 5,934,668,441.91
  5. Step 5: Solve for x
    x = 5,934,668,441.91/88,741.40
  6. Step 6: Final answer
    x = 66,875.98

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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.