Home / 56,123.36-77,452.05-31,923.70

Finding the Fourth Proportional to 56,123.36, 77,452.05 and 31,923.70

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Solution

The fourth proportional to 56,123.36, 77,452.05 and 31,923.70 is: 44,055.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,123.36 : 77,452.05 = 31,923.70 : x
  2. Step 2: Convert to fraction form
    56,123.36/77,452.05 = 31,923.70/x
  3. Step 3: Cross multiply
    56,123.36x = 77,452.05 × 31,923.70
  4. Step 4: Simplify right side
    56,123.36x = 2,472,555,848.97
  5. Step 5: Solve for x
    x = 2,472,555,848.97/56,123.36
  6. Step 6: Final answer
    x = 44,055.73

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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.