Home / 61,423.74-91,964.52-31,372.90

Finding the Fourth Proportional to 61,423.74, 91,964.52 and 31,372.90

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Solution

The fourth proportional to 61,423.74, 91,964.52 and 31,372.90 is: 46,971.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,423.74 : 91,964.52 = 31,372.90 : x
  2. Step 2: Convert to fraction form
    61,423.74/91,964.52 = 31,372.90/x
  3. Step 3: Cross multiply
    61,423.74x = 91,964.52 × 31,372.90
  4. Step 4: Simplify right side
    61,423.74x = 2,885,193,689.51
  5. Step 5: Solve for x
    x = 2,885,193,689.51/61,423.74
  6. Step 6: Final answer
    x = 46,971.96

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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.