Home / 91,894.35-126,834.35-57,922.95

Finding the Fourth Proportional to 91,894.35, 126,834.35 and 57,922.95

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Solution

The fourth proportional to 91,894.35, 126,834.35 and 57,922.95 is: 79,946.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,894.35 : 126,834.35 = 57,922.95 : x
  2. Step 2: Convert to fraction form
    91,894.35/126,834.35 = 57,922.95/x
  3. Step 3: Cross multiply
    91,894.35x = 126,834.35 × 57,922.95
  4. Step 4: Simplify right side
    91,894.35x = 7,346,619,423.72
  5. Step 5: Solve for x
    x = 7,346,619,423.72/91,894.35
  6. Step 6: Final answer
    x = 79,946.37

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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.