Home / 56,902.58-78,562.55-50,923.97

Finding the Fourth Proportional to 56,902.58, 78,562.55 and 50,923.97

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Solution

The fourth proportional to 56,902.58, 78,562.55 and 50,923.97 is: 70,308.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,902.58 : 78,562.55 = 50,923.97 : x
  2. Step 2: Convert to fraction form
    56,902.58/78,562.55 = 50,923.97/x
  3. Step 3: Cross multiply
    56,902.58x = 78,562.55 × 50,923.97
  4. Step 4: Simplify right side
    56,902.58x = 4,000,716,939.32
  5. Step 5: Solve for x
    x = 4,000,716,939.32/56,902.58
  6. Step 6: Final answer
    x = 70,308.18

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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.