Home / 89,926.87-124,097.58-49,639.59

Finding the Fourth Proportional to 89,926.87, 124,097.58 and 49,639.59

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Solution

The fourth proportional to 89,926.87, 124,097.58 and 49,639.59 is: 68,501.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,926.87 : 124,097.58 = 49,639.59 : x
  2. Step 2: Convert to fraction form
    89,926.87/124,097.58 = 49,639.59/x
  3. Step 3: Cross multiply
    89,926.87x = 124,097.58 × 49,639.59
  4. Step 4: Simplify right side
    89,926.87x = 6,160,152,370.70
  5. Step 5: Solve for x
    x = 6,160,152,370.70/89,926.87
  6. Step 6: Final answer
    x = 68,501.80

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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.