Home / 100,715.76-150,937.54-38,352.24

Finding the Fourth Proportional to 100,715.76, 150,937.54 and 38,352.24

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Solution

The fourth proportional to 100,715.76, 150,937.54 and 38,352.24 is: 57,476.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,715.76 : 150,937.54 = 38,352.24 : x
  2. Step 2: Convert to fraction form
    100,715.76/150,937.54 = 38,352.24/x
  3. Step 3: Cross multiply
    100,715.76x = 150,937.54 × 38,352.24
  4. Step 4: Simplify right side
    100,715.76x = 5,788,792,759.09
  5. Step 5: Solve for x
    x = 5,788,792,759.09/100,715.76
  6. Step 6: Final answer
    x = 57,476.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.