Home / 90,406.07-124,763.32-50,123.58

Finding the Fourth Proportional to 90,406.07, 124,763.32 and 50,123.58

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Solution

The fourth proportional to 90,406.07, 124,763.32 and 50,123.58 is: 69,172.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,406.07 : 124,763.32 = 50,123.58 : x
  2. Step 2: Convert to fraction form
    90,406.07/124,763.32 = 50,123.58/x
  3. Step 3: Cross multiply
    90,406.07x = 124,763.32 × 50,123.58
  4. Step 4: Simplify right side
    90,406.07x = 6,253,583,845.88
  5. Step 5: Solve for x
    x = 6,253,583,845.88/90,406.07
  6. Step 6: Final answer
    x = 69,172.17

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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.