Home / 88,975.60-122,919.69-58,421.18

Finding the Fourth Proportional to 88,975.60, 122,919.69 and 58,421.18

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Solution

The fourth proportional to 88,975.60, 122,919.69 and 58,421.18 is: 80,708.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,975.60 : 122,919.69 = 58,421.18 : x
  2. Step 2: Convert to fraction form
    88,975.60/122,919.69 = 58,421.18/x
  3. Step 3: Cross multiply
    88,975.60x = 122,919.69 × 58,421.18
  4. Step 4: Simplify right side
    88,975.60x = 7,181,113,861.41
  5. Step 5: Solve for x
    x = 7,181,113,861.41/88,975.60
  6. Step 6: Final answer
    x = 80,708.80

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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.