Home / 90,550.40-124,959.04-50,263.04

Finding the Fourth Proportional to 90,550.40, 124,959.04 and 50,263.04

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Solution

The fourth proportional to 90,550.40, 124,959.04 and 50,263.04 is: 69,362.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,550.40 : 124,959.04 = 50,263.04 : x
  2. Step 2: Convert to fraction form
    90,550.40/124,959.04 = 50,263.04/x
  3. Step 3: Cross multiply
    90,550.40x = 124,959.04 × 50,263.04
  4. Step 4: Simplify right side
    90,550.40x = 6,280,821,225.88
  5. Step 5: Solve for x
    x = 6,280,821,225.88/90,550.40
  6. Step 6: Final answer
    x = 69,362.71

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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.