Home / 40,104.36-60,155.83-13,808.52

Finding the Fourth Proportional to 40,104.36, 60,155.83 and 13,808.52

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Solution

The fourth proportional to 40,104.36, 60,155.83 and 13,808.52 is: 20,712.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,104.36 : 60,155.83 = 13,808.52 : x
  2. Step 2: Convert to fraction form
    40,104.36/60,155.83 = 13,808.52/x
  3. Step 3: Cross multiply
    40,104.36x = 60,155.83 × 13,808.52
  4. Step 4: Simplify right side
    40,104.36x = 830,662,981.67
  5. Step 5: Solve for x
    x = 830,662,981.67/40,104.36
  6. Step 6: Final answer
    x = 20,712.54

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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.