Home / 55,816.74-77,028.30-34,318.80

Finding the Fourth Proportional to 55,816.74, 77,028.30 and 34,318.80

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Solution

The fourth proportional to 55,816.74, 77,028.30 and 34,318.80 is: 47,360.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,816.74 : 77,028.30 = 34,318.80 : x
  2. Step 2: Convert to fraction form
    55,816.74/77,028.30 = 34,318.80/x
  3. Step 3: Cross multiply
    55,816.74x = 77,028.30 × 34,318.80
  4. Step 4: Simplify right side
    55,816.74x = 2,643,518,822.04
  5. Step 5: Solve for x
    x = 2,643,518,822.04/55,816.74
  6. Step 6: Final answer
    x = 47,360.68

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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.