Home / 90,616.31-125,050.64-50,329.04

Finding the Fourth Proportional to 90,616.31, 125,050.64 and 50,329.04

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Solution

The fourth proportional to 90,616.31, 125,050.64 and 50,329.04 is: 69,454.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,616.31 : 125,050.64 = 50,329.04 : x
  2. Step 2: Convert to fraction form
    90,616.31/125,050.64 = 50,329.04/x
  3. Step 3: Cross multiply
    90,616.31x = 125,050.64 × 50,329.04
  4. Step 4: Simplify right side
    90,616.31x = 6,293,677,785.69
  5. Step 5: Solve for x
    x = 6,293,677,785.69/90,616.31
  6. Step 6: Final answer
    x = 69,454.14

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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.