Home / 55,277.03-76,238.47-35,874.77

Finding the Fourth Proportional to 55,277.03, 76,238.47 and 35,874.77

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Solution

The fourth proportional to 55,277.03, 76,238.47 and 35,874.77 is: 49,478.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,277.03 : 76,238.47 = 35,874.77 : x
  2. Step 2: Convert to fraction form
    55,277.03/76,238.47 = 35,874.77/x
  3. Step 3: Cross multiply
    55,277.03x = 76,238.47 × 35,874.77
  4. Step 4: Simplify right side
    55,277.03x = 2,735,037,209.71
  5. Step 5: Solve for x
    x = 2,735,037,209.71/55,277.03
  6. Step 6: Final answer
    x = 49,478.73

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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.