Home / 77,736.42-107,281.67-43,748.16

Finding the Fourth Proportional to 77,736.42, 107,281.67 and 43,748.16

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Solution

The fourth proportional to 77,736.42, 107,281.67 and 43,748.16 is: 60,375.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,736.42 : 107,281.67 = 43,748.16 : x
  2. Step 2: Convert to fraction form
    77,736.42/107,281.67 = 43,748.16/x
  3. Step 3: Cross multiply
    77,736.42x = 107,281.67 × 43,748.16
  4. Step 4: Simplify right side
    77,736.42x = 4,693,375,664.23
  5. Step 5: Solve for x
    x = 4,693,375,664.23/77,736.42
  6. Step 6: Final answer
    x = 60,375.51

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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.