Home / 65,109.71-97,535.16-31,732.44

Finding the Fourth Proportional to 65,109.71, 97,535.16 and 31,732.44

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Solution

The fourth proportional to 65,109.71, 97,535.16 and 31,732.44 is: 47,535.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,109.71 : 97,535.16 = 31,732.44 : x
  2. Step 2: Convert to fraction form
    65,109.71/97,535.16 = 31,732.44/x
  3. Step 3: Cross multiply
    65,109.71x = 97,535.16 × 31,732.44
  4. Step 4: Simplify right side
    65,109.71x = 3,095,028,612.59
  5. Step 5: Solve for x
    x = 3,095,028,612.59/65,109.71
  6. Step 6: Final answer
    x = 47,535.60

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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.