Home / 90,550.16-124,974.18-50,276.84

Finding the Fourth Proportional to 90,550.16, 124,974.18 and 50,276.84

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Solution

The fourth proportional to 90,550.16, 124,974.18 and 50,276.84 is: 69,390.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,550.16 : 124,974.18 = 50,276.84 : x
  2. Step 2: Convert to fraction form
    90,550.16/124,974.18 = 50,276.84/x
  3. Step 3: Cross multiply
    90,550.16x = 124,974.18 × 50,276.84
  4. Step 4: Simplify right side
    90,550.16x = 6,283,306,851.99
  5. Step 5: Solve for x
    x = 6,283,306,851.99/90,550.16
  6. Step 6: Final answer
    x = 69,390.35

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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.