Home / 91,913.32-126,834.51-51,625.99

Finding the Fourth Proportional to 91,913.32, 126,834.51 and 51,625.99

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Solution

The fourth proportional to 91,913.32, 126,834.51 and 51,625.99 is: 71,240.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,913.32 : 126,834.51 = 51,625.99 : x
  2. Step 2: Convert to fraction form
    91,913.32/126,834.51 = 51,625.99/x
  3. Step 3: Cross multiply
    91,913.32x = 126,834.51 × 51,625.99
  4. Step 4: Simplify right side
    91,913.32x = 6,547,957,144.91
  5. Step 5: Solve for x
    x = 6,547,957,144.91/91,913.32
  6. Step 6: Final answer
    x = 71,240.57

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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.