Home / 77,333.10-115,999.65-52,757.10

Finding the Fourth Proportional to 77,333.10, 115,999.65 and 52,757.10

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Solution

The fourth proportional to 77,333.10, 115,999.65 and 52,757.10 is: 79,135.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,333.10 : 115,999.65 = 52,757.10 : x
  2. Step 2: Convert to fraction form
    77,333.10/115,999.65 = 52,757.10/x
  3. Step 3: Cross multiply
    77,333.10x = 115,999.65 × 52,757.10
  4. Step 4: Simplify right side
    77,333.10x = 6,119,805,135.02
  5. Step 5: Solve for x
    x = 6,119,805,135.02/77,333.10
  6. Step 6: Final answer
    x = 79,135.65

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1.5x scale

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.