Home / 75,167.76-103,635.93-53,683.21

Finding the Fourth Proportional to 75,167.76, 103,635.93 and 53,683.21

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Solution

The fourth proportional to 75,167.76, 103,635.93 and 53,683.21 is: 74,014.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,167.76 : 103,635.93 = 53,683.21 : x
  2. Step 2: Convert to fraction form
    75,167.76/103,635.93 = 53,683.21/x
  3. Step 3: Cross multiply
    75,167.76x = 103,635.93 × 53,683.21
  4. Step 4: Simplify right side
    75,167.76x = 5,563,509,393.74
  5. Step 5: Solve for x
    x = 5,563,509,393.74/75,167.76
  6. Step 6: Final answer
    x = 74,014.57

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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.