Home / 77,165.32-106,548.56-59,231.92

Finding the Fourth Proportional to 77,165.32, 106,548.56 and 59,231.92

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Solution

The fourth proportional to 77,165.32, 106,548.56 and 59,231.92 is: 81,786.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,165.32 : 106,548.56 = 59,231.92 : x
  2. Step 2: Convert to fraction form
    77,165.32/106,548.56 = 59,231.92/x
  3. Step 3: Cross multiply
    77,165.32x = 106,548.56 × 59,231.92
  4. Step 4: Simplify right side
    77,165.32x = 6,311,075,782.04
  5. Step 5: Solve for x
    x = 6,311,075,782.04/77,165.32
  6. Step 6: Final answer
    x = 81,786.43

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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.