Home / 71,198.10-98,222.49-42,887.52

Finding the Fourth Proportional to 71,198.10, 98,222.49 and 42,887.52

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Solution

The fourth proportional to 71,198.10, 98,222.49 and 42,887.52 is: 59,166.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,198.10 : 98,222.49 = 42,887.52 : x
  2. Step 2: Convert to fraction form
    71,198.10/98,222.49 = 42,887.52/x
  3. Step 3: Cross multiply
    71,198.10x = 98,222.49 × 42,887.52
  4. Step 4: Simplify right side
    71,198.10x = 4,212,519,004.32
  5. Step 5: Solve for x
    x = 4,212,519,004.32/71,198.10
  6. Step 6: Final answer
    x = 59,166.17

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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.