Home / 78,767.64-118,085.04-34,361.82

Finding the Fourth Proportional to 78,767.64, 118,085.04 and 34,361.82

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Solution

The fourth proportional to 78,767.64, 118,085.04 and 34,361.82 is: 51,513.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,767.64 : 118,085.04 = 34,361.82 : x
  2. Step 2: Convert to fraction form
    78,767.64/118,085.04 = 34,361.82/x
  3. Step 3: Cross multiply
    78,767.64x = 118,085.04 × 34,361.82
  4. Step 4: Simplify right side
    78,767.64x = 4,057,616,889.17
  5. Step 5: Solve for x
    x = 4,057,616,889.17/78,767.64
  6. Step 6: Final answer
    x = 51,513.75

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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.