Home / 59,255.04-81,772.83-40,140.66

Finding the Fourth Proportional to 59,255.04, 81,772.83 and 40,140.66

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Solution

The fourth proportional to 59,255.04, 81,772.83 and 40,140.66 is: 55,394.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,255.04 : 81,772.83 = 40,140.66 : x
  2. Step 2: Convert to fraction form
    59,255.04/81,772.83 = 40,140.66/x
  3. Step 3: Cross multiply
    59,255.04x = 81,772.83 × 40,140.66
  4. Step 4: Simplify right side
    59,255.04x = 3,282,415,366.27
  5. Step 5: Solve for x
    x = 3,282,415,366.27/59,255.04
  6. Step 6: Final answer
    x = 55,394.70

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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.