Home / 55,028.74-75,904.37-37,792.78

Finding the Fourth Proportional to 55,028.74, 75,904.37 and 37,792.78

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Solution

The fourth proportional to 55,028.74, 75,904.37 and 37,792.78 is: 52,129.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,028.74 : 75,904.37 = 37,792.78 : x
  2. Step 2: Convert to fraction form
    55,028.74/75,904.37 = 37,792.78/x
  3. Step 3: Cross multiply
    55,028.74x = 75,904.37 × 37,792.78
  4. Step 4: Simplify right side
    55,028.74x = 2,868,637,346.41
  5. Step 5: Solve for x
    x = 2,868,637,346.41/55,028.74
  6. Step 6: Final answer
    x = 52,129.81

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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.