Home / 55,333.19-76,268.76-39,205.91

Finding the Fourth Proportional to 55,333.19, 76,268.76 and 39,205.91

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Solution

The fourth proportional to 55,333.19, 76,268.76 and 39,205.91 is: 54,039.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,333.19 : 76,268.76 = 39,205.91 : x
  2. Step 2: Convert to fraction form
    55,333.19/76,268.76 = 39,205.91/x
  3. Step 3: Cross multiply
    55,333.19x = 76,268.76 × 39,205.91
  4. Step 4: Simplify right side
    55,333.19x = 2,990,186,184.02
  5. Step 5: Solve for x
    x = 2,990,186,184.02/55,333.19
  6. Step 6: Final answer
    x = 54,039.65

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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.