Home / 53,948.10-80,922.15-52,911.30

Finding the Fourth Proportional to 53,948.10, 80,922.15 and 52,911.30

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Solution

The fourth proportional to 53,948.10, 80,922.15 and 52,911.30 is: 79,366.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,948.10 : 80,922.15 = 52,911.30 : x
  2. Step 2: Convert to fraction form
    53,948.10/80,922.15 = 52,911.30/x
  3. Step 3: Cross multiply
    53,948.10x = 80,922.15 × 52,911.30
  4. Step 4: Simplify right side
    53,948.10x = 4,281,696,155.30
  5. Step 5: Solve for x
    x = 4,281,696,155.30/53,948.10
  6. Step 6: Final answer
    x = 79,366.95

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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.