Home / 97,696.46-134,835.62-61,889.81

Finding the Fourth Proportional to 97,696.46, 134,835.62 and 61,889.81

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Solution

The fourth proportional to 97,696.46, 134,835.62 and 61,889.81 is: 85,417.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,696.46 : 134,835.62 = 61,889.81 : x
  2. Step 2: Convert to fraction form
    97,696.46/134,835.62 = 61,889.81/x
  3. Step 3: Cross multiply
    97,696.46x = 134,835.62 × 61,889.81
  4. Step 4: Simplify right side
    97,696.46x = 8,344,949,919.41
  5. Step 5: Solve for x
    x = 8,344,949,919.41/97,696.46
  6. Step 6: Final answer
    x = 85,417.11

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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.