Home / 117,964.07-162,795.00-66,981.53

Finding the Fourth Proportional to 117,964.07, 162,795.00 and 66,981.53

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Solution

The fourth proportional to 117,964.07, 162,795.00 and 66,981.53 is: 92,437.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,964.07 : 162,795.00 = 66,981.53 : x
  2. Step 2: Convert to fraction form
    117,964.07/162,795.00 = 66,981.53/x
  3. Step 3: Cross multiply
    117,964.07x = 162,795.00 × 66,981.53
  4. Step 4: Simplify right side
    117,964.07x = 10,904,258,834.52
  5. Step 5: Solve for x
    x = 10,904,258,834.52/117,964.07
  6. Step 6: Final answer
    x = 92,437.12

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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.