Home / 77,953.06-107,576.21-47,317.30

Finding the Fourth Proportional to 77,953.06, 107,576.21 and 47,317.30

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Solution

The fourth proportional to 77,953.06, 107,576.21 and 47,317.30 is: 65,298.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,953.06 : 107,576.21 = 47,317.30 : x
  2. Step 2: Convert to fraction form
    77,953.06/107,576.21 = 47,317.30/x
  3. Step 3: Cross multiply
    77,953.06x = 107,576.21 × 47,317.30
  4. Step 4: Simplify right side
    77,953.06x = 5,090,215,801.43
  5. Step 5: Solve for x
    x = 5,090,215,801.43/77,953.06
  6. Step 6: Final answer
    x = 65,298.47

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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.