Home / 90,114.23-124,352.61-49,825.58

Finding the Fourth Proportional to 90,114.23, 124,352.61 and 49,825.58

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Solution

The fourth proportional to 90,114.23, 124,352.61 and 49,825.58 is: 68,756.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,114.23 : 124,352.61 = 49,825.58 : x
  2. Step 2: Convert to fraction form
    90,114.23/124,352.61 = 49,825.58/x
  3. Step 3: Cross multiply
    90,114.23x = 124,352.61 × 49,825.58
  4. Step 4: Simplify right side
    90,114.23x = 6,195,940,296.00
  5. Step 5: Solve for x
    x = 6,195,940,296.00/90,114.23
  6. Step 6: Final answer
    x = 68,756.52

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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.