Home / 75,355.32-104,004.69-49,862.19

Finding the Fourth Proportional to 75,355.32, 104,004.69 and 49,862.19

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Solution

The fourth proportional to 75,355.32, 104,004.69 and 49,862.19 is: 68,819.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,355.32 : 104,004.69 = 49,862.19 : x
  2. Step 2: Convert to fraction form
    75,355.32/104,004.69 = 49,862.19/x
  3. Step 3: Cross multiply
    75,355.32x = 104,004.69 × 49,862.19
  4. Step 4: Simplify right side
    75,355.32x = 5,185,901,613.67
  5. Step 5: Solve for x
    x = 5,185,901,613.67/75,355.32
  6. Step 6: Final answer
    x = 68,819.32

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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.