Home / 79,521.06-109,623.24-55,573.32

Finding the Fourth Proportional to 79,521.06, 109,623.24 and 55,573.32

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Solution

The fourth proportional to 79,521.06, 109,623.24 and 55,573.32 is: 76,610.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,521.06 : 109,623.24 = 55,573.32 : x
  2. Step 2: Convert to fraction form
    79,521.06/109,623.24 = 55,573.32/x
  3. Step 3: Cross multiply
    79,521.06x = 109,623.24 × 55,573.32
  4. Step 4: Simplify right side
    79,521.06x = 6,092,127,395.96
  5. Step 5: Solve for x
    x = 6,092,127,395.96/79,521.06
  6. Step 6: Final answer
    x = 76,610.24

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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.