Home / 79,587.12-119,339.60-23,419.94

Finding the Fourth Proportional to 79,587.12, 119,339.60 and 23,419.94

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Solution

The fourth proportional to 79,587.12, 119,339.60 and 23,419.94 is: 35,117.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,587.12 : 119,339.60 = 23,419.94 : x
  2. Step 2: Convert to fraction form
    79,587.12/119,339.60 = 23,419.94/x
  3. Step 3: Cross multiply
    79,587.12x = 119,339.60 × 23,419.94
  4. Step 4: Simplify right side
    79,587.12x = 2,794,925,733.48
  5. Step 5: Solve for x
    x = 2,794,925,733.48/79,587.12
  6. Step 6: Final answer
    x = 35,117.81

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.