Home / 77,904.84-116,961.04-52,689.04

Finding the Fourth Proportional to 77,904.84, 116,961.04 and 52,689.04

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Solution

The fourth proportional to 77,904.84, 116,961.04 and 52,689.04 is: 79,103.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,904.84 : 116,961.04 = 52,689.04 : x
  2. Step 2: Convert to fraction form
    77,904.84/116,961.04 = 52,689.04/x
  3. Step 3: Cross multiply
    77,904.84x = 116,961.04 × 52,689.04
  4. Step 4: Simplify right side
    77,904.84x = 6,162,564,915.00
  5. Step 5: Solve for x
    x = 6,162,564,915.00/77,904.84
  6. Step 6: Final answer
    x = 79,103.75

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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.