Home / 71,028.78-98,056.57-51,887.06

Finding the Fourth Proportional to 71,028.78, 98,056.57 and 51,887.06

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Solution

The fourth proportional to 71,028.78, 98,056.57 and 51,887.06 is: 71,631.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,028.78 : 98,056.57 = 51,887.06 : x
  2. Step 2: Convert to fraction form
    71,028.78/98,056.57 = 51,887.06/x
  3. Step 3: Cross multiply
    71,028.78x = 98,056.57 × 51,887.06
  4. Step 4: Simplify right side
    71,028.78x = 5,087,867,130.98
  5. Step 5: Solve for x
    x = 5,087,867,130.98/71,028.78
  6. Step 6: Final answer
    x = 71,631.06

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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.