Home / 77,760.56-107,282.76-43,762.16

Finding the Fourth Proportional to 77,760.56, 107,282.76 and 43,762.16

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Solution

The fourth proportional to 77,760.56, 107,282.76 and 43,762.16 is: 60,376.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,760.56 : 107,282.76 = 43,762.16 : x
  2. Step 2: Convert to fraction form
    77,760.56/107,282.76 = 43,762.16/x
  3. Step 3: Cross multiply
    77,760.56x = 107,282.76 × 43,762.16
  4. Step 4: Simplify right side
    77,760.56x = 4,694,925,308.36
  5. Step 5: Solve for x
    x = 4,694,925,308.36/77,760.56
  6. Step 6: Final answer
    x = 60,376.69

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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.