Home / 61,134.30-91,565.97-46,990.20

Finding the Fourth Proportional to 61,134.30, 91,565.97 and 46,990.20

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Solution

The fourth proportional to 61,134.30, 91,565.97 and 46,990.20 is: 70,381.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,134.30 : 91,565.97 = 46,990.20 : x
  2. Step 2: Convert to fraction form
    61,134.30/91,565.97 = 46,990.20/x
  3. Step 3: Cross multiply
    61,134.30x = 91,565.97 × 46,990.20
  4. Step 4: Simplify right side
    61,134.30x = 4,302,703,243.49
  5. Step 5: Solve for x
    x = 4,302,703,243.49/61,134.30
  6. Step 6: Final answer
    x = 70,381.16

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.