Home / 56,899.83-78,558.75-50,921.22

Finding the Fourth Proportional to 56,899.83, 78,558.75 and 50,921.22

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Solution

The fourth proportional to 56,899.83, 78,558.75 and 50,921.22 is: 70,304.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,899.83 : 78,558.75 = 50,921.22 : x
  2. Step 2: Convert to fraction form
    56,899.83/78,558.75 = 50,921.22/x
  3. Step 3: Cross multiply
    56,899.83x = 78,558.75 × 50,921.22
  4. Step 4: Simplify right side
    56,899.83x = 4,000,307,391.68
  5. Step 5: Solve for x
    x = 4,000,307,391.68/56,899.83
  6. Step 6: Final answer
    x = 70,304.38

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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.