Home / 77,842.62-107,425.37-45,580.46

Finding the Fourth Proportional to 77,842.62, 107,425.37 and 45,580.46

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Solution

The fourth proportional to 77,842.62, 107,425.37 and 45,580.46 is: 62,902.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,842.62 : 107,425.37 = 45,580.46 : x
  2. Step 2: Convert to fraction form
    77,842.62/107,425.37 = 45,580.46/x
  3. Step 3: Cross multiply
    77,842.62x = 107,425.37 × 45,580.46
  4. Step 4: Simplify right side
    77,842.62x = 4,896,497,357.09
  5. Step 5: Solve for x
    x = 4,896,497,357.09/77,842.62
  6. Step 6: Final answer
    x = 62,902.53

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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.