Home / 75,981.83-113,870.87-59,135.18

Finding the Fourth Proportional to 75,981.83, 113,870.87 and 59,135.18

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Solution

The fourth proportional to 75,981.83, 113,870.87 and 59,135.18 is: 88,623.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,981.83 : 113,870.87 = 59,135.18 : x
  2. Step 2: Convert to fraction form
    75,981.83/113,870.87 = 59,135.18/x
  3. Step 3: Cross multiply
    75,981.83x = 113,870.87 × 59,135.18
  4. Step 4: Simplify right side
    75,981.83x = 6,733,774,604.96
  5. Step 5: Solve for x
    x = 6,733,774,604.96/75,981.83
  6. Step 6: Final answer
    x = 88,623.48

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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.