Home / 88,214.89-121,735.05-47,929.29

Finding the Fourth Proportional to 88,214.89, 121,735.05 and 47,929.29

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Solution

The fourth proportional to 88,214.89, 121,735.05 and 47,929.29 is: 66,141.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,214.89 : 121,735.05 = 47,929.29 : x
  2. Step 2: Convert to fraction form
    88,214.89/121,735.05 = 47,929.29/x
  3. Step 3: Cross multiply
    88,214.89x = 121,735.05 × 47,929.29
  4. Step 4: Simplify right side
    88,214.89x = 5,834,674,147.98
  5. Step 5: Solve for x
    x = 5,834,674,147.98/88,214.89
  6. Step 6: Final answer
    x = 66,141.60

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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.