Home / 77,571.16-107,048.63-43,581.08

Finding the Fourth Proportional to 77,571.16, 107,048.63 and 43,581.08

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Solution

The fourth proportional to 77,571.16, 107,048.63 and 43,581.08 is: 60,142.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,571.16 : 107,048.63 = 43,581.08 : x
  2. Step 2: Convert to fraction form
    77,571.16/107,048.63 = 43,581.08/x
  3. Step 3: Cross multiply
    77,571.16x = 107,048.63 × 43,581.08
  4. Step 4: Simplify right side
    77,571.16x = 4,665,294,907.92
  5. Step 5: Solve for x
    x = 4,665,294,907.92/77,571.16
  6. Step 6: Final answer
    x = 60,142.13

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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.