Home / 61,318.40-84,620.15-37,119.03

Finding the Fourth Proportional to 61,318.40, 84,620.15 and 37,119.03

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Solution

The fourth proportional to 61,318.40, 84,620.15 and 37,119.03 is: 51,224.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,318.40 : 84,620.15 = 37,119.03 : x
  2. Step 2: Convert to fraction form
    61,318.40/84,620.15 = 37,119.03/x
  3. Step 3: Cross multiply
    61,318.40x = 84,620.15 × 37,119.03
  4. Step 4: Simplify right side
    61,318.40x = 3,141,017,700.86
  5. Step 5: Solve for x
    x = 3,141,017,700.86/61,318.40
  6. Step 6: Final answer
    x = 51,224.72

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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.