Home / 88,639.73-122,320.04-50,403.45

Finding the Fourth Proportional to 88,639.73, 122,320.04 and 50,403.45

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Solution

The fourth proportional to 88,639.73, 122,320.04 and 50,403.45 is: 69,555.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,639.73 : 122,320.04 = 50,403.45 : x
  2. Step 2: Convert to fraction form
    88,639.73/122,320.04 = 50,403.45/x
  3. Step 3: Cross multiply
    88,639.73x = 122,320.04 × 50,403.45
  4. Step 4: Simplify right side
    88,639.73x = 6,165,352,226.82
  5. Step 5: Solve for x
    x = 6,165,352,226.82/88,639.73
  6. Step 6: Final answer
    x = 69,555.18

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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.