Home / 55,276.04-76,260.66-35,415.56

Finding the Fourth Proportional to 55,276.04, 76,260.66 and 35,415.56

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Solution

The fourth proportional to 55,276.04, 76,260.66 and 35,415.56 is: 48,860.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,276.04 : 76,260.66 = 35,415.56 : x
  2. Step 2: Convert to fraction form
    55,276.04/76,260.66 = 35,415.56/x
  3. Step 3: Cross multiply
    55,276.04x = 76,260.66 × 35,415.56
  4. Step 4: Simplify right side
    55,276.04x = 2,700,813,979.87
  5. Step 5: Solve for x
    x = 2,700,813,979.87/55,276.04
  6. Step 6: Final answer
    x = 48,860.48

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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.