Home / 89,926.92-124,104.69-51,698.70

Finding the Fourth Proportional to 89,926.92, 124,104.69 and 51,698.70

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Solution

The fourth proportional to 89,926.92, 124,104.69 and 51,698.70 is: 71,347.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,926.92 : 124,104.69 = 51,698.70 : x
  2. Step 2: Convert to fraction form
    89,926.92/124,104.69 = 51,698.70/x
  3. Step 3: Cross multiply
    89,926.92x = 124,104.69 × 51,698.70
  4. Step 4: Simplify right side
    89,926.92x = 6,416,051,136.90
  5. Step 5: Solve for x
    x = 6,416,051,136.90/89,926.92
  6. Step 6: Final answer
    x = 71,347.39

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1.5x scale

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.