Home / 89,459.70-134,138.52-36,806.46

Finding the Fourth Proportional to 89,459.70, 134,138.52 and 36,806.46

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Solution

The fourth proportional to 89,459.70, 134,138.52 and 36,806.46 is: 55,188.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,459.70 : 134,138.52 = 36,806.46 : x
  2. Step 2: Convert to fraction form
    89,459.70/134,138.52 = 36,806.46/x
  3. Step 3: Cross multiply
    89,459.70x = 134,138.52 × 36,806.46
  4. Step 4: Simplify right side
    89,459.70x = 4,937,164,070.84
  5. Step 5: Solve for x
    x = 4,937,164,070.84/89,459.70
  6. Step 6: Final answer
    x = 55,188.69

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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.