Home / 78,537.60-117,574.94-51,834.33

Finding the Fourth Proportional to 78,537.60, 117,574.94 and 51,834.33

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Solution

The fourth proportional to 78,537.60, 117,574.94 and 51,834.33 is: 77,598.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,537.60 : 117,574.94 = 51,834.33 : x
  2. Step 2: Convert to fraction form
    78,537.60/117,574.94 = 51,834.33/x
  3. Step 3: Cross multiply
    78,537.60x = 117,574.94 × 51,834.33
  4. Step 4: Simplify right side
    78,537.60x = 6,094,418,369.28
  5. Step 5: Solve for x
    x = 6,094,418,369.28/78,537.60
  6. Step 6: Final answer
    x = 77,598.73

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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.