Home / 90,664.18-125,113.89-50,376.94

Finding the Fourth Proportional to 90,664.18, 125,113.89 and 50,376.94

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Solution

The fourth proportional to 90,664.18, 125,113.89 and 50,376.94 is: 69,518.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,664.18 : 125,113.89 = 50,376.94 : x
  2. Step 2: Convert to fraction form
    90,664.18/125,113.89 = 50,376.94/x
  3. Step 3: Cross multiply
    90,664.18x = 125,113.89 × 50,376.94
  4. Step 4: Simplify right side
    90,664.18x = 6,302,854,929.70
  5. Step 5: Solve for x
    x = 6,302,854,929.70/90,664.18
  6. Step 6: Final answer
    x = 69,518.69

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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.