Home / 84,785.13-116,938.35-62,115.93

Finding the Fourth Proportional to 84,785.13, 116,938.35 and 62,115.93

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Solution

The fourth proportional to 84,785.13, 116,938.35 and 62,115.93 is: 85,672.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,785.13 : 116,938.35 = 62,115.93 : x
  2. Step 2: Convert to fraction form
    84,785.13/116,938.35 = 62,115.93/x
  3. Step 3: Cross multiply
    84,785.13x = 116,938.35 × 62,115.93
  4. Step 4: Simplify right side
    84,785.13x = 7,263,734,362.92
  5. Step 5: Solve for x
    x = 7,263,734,362.92/84,785.13
  6. Step 6: Final answer
    x = 85,672.27

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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.