Home / 90,369.03-124,709.25-50,088.84

Finding the Fourth Proportional to 90,369.03, 124,709.25 and 50,088.84

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Solution

The fourth proportional to 90,369.03, 124,709.25 and 50,088.84 is: 69,122.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,369.03 : 124,709.25 = 50,088.84 : x
  2. Step 2: Convert to fraction form
    90,369.03/124,709.25 = 50,088.84/x
  3. Step 3: Cross multiply
    90,369.03x = 124,709.25 × 50,088.84
  4. Step 4: Simplify right side
    90,369.03x = 6,246,541,669.77
  5. Step 5: Solve for x
    x = 6,246,541,669.77/90,369.03
  6. Step 6: Final answer
    x = 69,122.59

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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.