Home / 90,522.15-124,935.51-50,248.81

Finding the Fourth Proportional to 90,522.15, 124,935.51 and 50,248.81

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Solution

The fourth proportional to 90,522.15, 124,935.51 and 50,248.81 is: 69,351.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,522.15 : 124,935.51 = 50,248.81 : x
  2. Step 2: Convert to fraction form
    90,522.15/124,935.51 = 50,248.81/x
  3. Step 3: Cross multiply
    90,522.15x = 124,935.51 × 50,248.81
  4. Step 4: Simplify right side
    90,522.15x = 6,277,860,704.24
  5. Step 5: Solve for x
    x = 6,277,860,704.24/90,522.15
  6. Step 6: Final answer
    x = 69,351.65

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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.