Home / 65,180.07-89,948.49-35,372.07

Finding the Fourth Proportional to 65,180.07, 89,948.49 and 35,372.07

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Solution

The fourth proportional to 65,180.07, 89,948.49 and 35,372.07 is: 48,813.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,180.07 : 89,948.49 = 35,372.07 : x
  2. Step 2: Convert to fraction form
    65,180.07/89,948.49 = 35,372.07/x
  3. Step 3: Cross multiply
    65,180.07x = 89,948.49 × 35,372.07
  4. Step 4: Simplify right side
    65,180.07x = 3,181,664,284.67
  5. Step 5: Solve for x
    x = 3,181,664,284.67/65,180.07
  6. Step 6: Final answer
    x = 48,813.45

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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.