Home / 77,537.28-107,013.22-47,340.20

Finding the Fourth Proportional to 77,537.28, 107,013.22 and 47,340.20

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Solution

The fourth proportional to 77,537.28, 107,013.22 and 47,340.20 is: 65,336.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,537.28 : 107,013.22 = 47,340.20 : x
  2. Step 2: Convert to fraction form
    77,537.28/107,013.22 = 47,340.20/x
  3. Step 3: Cross multiply
    77,537.28x = 107,013.22 × 47,340.20
  4. Step 4: Simplify right side
    77,537.28x = 5,066,027,237.44
  5. Step 5: Solve for x
    x = 5,066,027,237.44/77,537.28
  6. Step 6: Final answer
    x = 65,336.66

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1.5x scale

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.