Home / 53,890.90-74,363.76-31,237.00

Finding the Fourth Proportional to 53,890.90, 74,363.76 and 31,237.00

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Solution

The fourth proportional to 53,890.90, 74,363.76 and 31,237.00 is: 43,103.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,890.90 : 74,363.76 = 31,237.00 : x
  2. Step 2: Convert to fraction form
    53,890.90/74,363.76 = 31,237.00/x
  3. Step 3: Cross multiply
    53,890.90x = 74,363.76 × 31,237.00
  4. Step 4: Simplify right side
    53,890.90x = 2,322,900,585.21
  5. Step 5: Solve for x
    x = 2,322,900,585.21/53,890.90
  6. Step 6: Final answer
    x = 43,103.77

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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.