Home / 112,834.67-155,705.49-61,837.67

Finding the Fourth Proportional to 112,834.67, 155,705.49 and 61,837.67

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Solution

The fourth proportional to 112,834.67, 155,705.49 and 61,837.67 is: 85,332.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,834.67 : 155,705.49 = 61,837.67 : x
  2. Step 2: Convert to fraction form
    112,834.67/155,705.49 = 61,837.67/x
  3. Step 3: Cross multiply
    112,834.67x = 155,705.49 × 61,837.67
  4. Step 4: Simplify right side
    112,834.67x = 9,628,465,097.07
  5. Step 5: Solve for x
    x = 9,628,465,097.07/112,834.67
  6. Step 6: Final answer
    x = 85,332.51

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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.