Home / 71,046.75-98,000.64-42,347.08

Finding the Fourth Proportional to 71,046.75, 98,000.64 and 42,347.08

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Solution

The fourth proportional to 71,046.75, 98,000.64 and 42,347.08 is: 58,412.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,046.75 : 98,000.64 = 42,347.08 : x
  2. Step 2: Convert to fraction form
    71,046.75/98,000.64 = 42,347.08/x
  3. Step 3: Cross multiply
    71,046.75x = 98,000.64 × 42,347.08
  4. Step 4: Simplify right side
    71,046.75x = 4,150,040,942.13
  5. Step 5: Solve for x
    x = 4,150,040,942.13/71,046.75
  6. Step 6: Final answer
    x = 58,412.82

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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.