Home / 71,142.27-98,189.91-46,900.68

Finding the Fourth Proportional to 71,142.27, 98,189.91 and 46,900.68

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Solution

The fourth proportional to 71,142.27, 98,189.91 and 46,900.68 is: 64,731.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,142.27 : 98,189.91 = 46,900.68 : x
  2. Step 2: Convert to fraction form
    71,142.27/98,189.91 = 46,900.68/x
  3. Step 3: Cross multiply
    71,142.27x = 98,189.91 × 46,900.68
  4. Step 4: Simplify right side
    71,142.27x = 4,605,173,548.14
  5. Step 5: Solve for x
    x = 4,605,173,548.14/71,142.27
  6. Step 6: Final answer
    x = 64,731.89

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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.