Home / 53,823.10-80,734.65-51,403.90

Finding the Fourth Proportional to 53,823.10, 80,734.65 and 51,403.90

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Solution

The fourth proportional to 53,823.10, 80,734.65 and 51,403.90 is: 77,105.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,823.10 : 80,734.65 = 51,403.90 : x
  2. Step 2: Convert to fraction form
    53,823.10/80,734.65 = 51,403.90/x
  3. Step 3: Cross multiply
    53,823.10x = 80,734.65 × 51,403.90
  4. Step 4: Simplify right side
    53,823.10x = 4,150,075,875.14
  5. Step 5: Solve for x
    x = 4,150,075,875.14/53,823.10
  6. Step 6: Final answer
    x = 77,105.85

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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.