Home / 55,616.52-76,751.03-30,123.19

Finding the Fourth Proportional to 55,616.52, 76,751.03 and 30,123.19

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Solution

The fourth proportional to 55,616.52, 76,751.03 and 30,123.19 is: 41,570.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,616.52 : 76,751.03 = 30,123.19 : x
  2. Step 2: Convert to fraction form
    55,616.52/76,751.03 = 30,123.19/x
  3. Step 3: Cross multiply
    55,616.52x = 76,751.03 × 30,123.19
  4. Step 4: Simplify right side
    55,616.52x = 2,311,985,859.39
  5. Step 5: Solve for x
    x = 2,311,985,859.39/55,616.52
  6. Step 6: Final answer
    x = 41,570.13

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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.