Home / 55,886.42-77,123.78-30,393.03

Finding the Fourth Proportional to 55,886.42, 77,123.78 and 30,393.03

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Solution

The fourth proportional to 55,886.42, 77,123.78 and 30,393.03 is: 41,942.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,886.42 : 77,123.78 = 30,393.03 : x
  2. Step 2: Convert to fraction form
    55,886.42/77,123.78 = 30,393.03/x
  3. Step 3: Cross multiply
    55,886.42x = 77,123.78 × 30,393.03
  4. Step 4: Simplify right side
    55,886.42x = 2,344,025,176.66
  5. Step 5: Solve for x
    x = 2,344,025,176.66/55,886.42
  6. Step 6: Final answer
    x = 41,942.66

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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.