Home / 77,851.06-107,412.21-43,847.66

Finding the Fourth Proportional to 77,851.06, 107,412.21 and 43,847.66

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Solution

The fourth proportional to 77,851.06, 107,412.21 and 43,847.66 is: 60,497.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,851.06 : 107,412.21 = 43,847.66 : x
  2. Step 2: Convert to fraction form
    77,851.06/107,412.21 = 43,847.66/x
  3. Step 3: Cross multiply
    77,851.06x = 107,412.21 × 43,847.66
  4. Step 4: Simplify right side
    77,851.06x = 4,709,774,332.46
  5. Step 5: Solve for x
    x = 4,709,774,332.46/77,851.06
  6. Step 6: Final answer
    x = 60,497.24

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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.