Home / 55,065.85-75,988.43-31,192.04

Finding the Fourth Proportional to 55,065.85, 75,988.43 and 31,192.04

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Solution

The fourth proportional to 55,065.85, 75,988.43 and 31,192.04 is: 43,043.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,065.85 : 75,988.43 = 31,192.04 : x
  2. Step 2: Convert to fraction form
    55,065.85/75,988.43 = 31,192.04/x
  3. Step 3: Cross multiply
    55,065.85x = 75,988.43 × 31,192.04
  4. Step 4: Simplify right side
    55,065.85x = 2,370,233,992.14
  5. Step 5: Solve for x
    x = 2,370,233,992.14/55,065.85
  6. Step 6: Final answer
    x = 43,043.63

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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.