Home / 90,476.97-124,839.51-52,235.85

Finding the Fourth Proportional to 90,476.97, 124,839.51 and 52,235.85

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Solution

The fourth proportional to 90,476.97, 124,839.51 and 52,235.85 is: 72,074.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,476.97 : 124,839.51 = 52,235.85 : x
  2. Step 2: Convert to fraction form
    90,476.97/124,839.51 = 52,235.85/x
  3. Step 3: Cross multiply
    90,476.97x = 124,839.51 × 52,235.85
  4. Step 4: Simplify right side
    90,476.97x = 6,521,097,918.43
  5. Step 5: Solve for x
    x = 6,521,097,918.43/90,476.97
  6. Step 6: Final answer
    x = 72,074.67

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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.