Home / 77,656.17-107,174.33-43,204.31

Finding the Fourth Proportional to 77,656.17, 107,174.33 and 43,204.31

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Solution

The fourth proportional to 77,656.17, 107,174.33 and 43,204.31 is: 59,626.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,656.17 : 107,174.33 = 43,204.31 : x
  2. Step 2: Convert to fraction form
    77,656.17/107,174.33 = 43,204.31/x
  3. Step 3: Cross multiply
    77,656.17x = 107,174.33 × 43,204.31
  4. Step 4: Simplify right side
    77,656.17x = 4,630,393,032.41
  5. Step 5: Solve for x
    x = 4,630,393,032.41/77,656.17
  6. Step 6: Final answer
    x = 59,626.85

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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.