Home / 55,036.06-75,937.17-31,159.42

Finding the Fourth Proportional to 55,036.06, 75,937.17 and 31,159.42

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Solution

The fourth proportional to 55,036.06, 75,937.17 and 31,159.42 is: 42,992.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,036.06 : 75,937.17 = 31,159.42 : x
  2. Step 2: Convert to fraction form
    55,036.06/75,937.17 = 31,159.42/x
  3. Step 3: Cross multiply
    55,036.06x = 75,937.17 × 31,159.42
  4. Step 4: Simplify right side
    55,036.06x = 2,366,158,173.64
  5. Step 5: Solve for x
    x = 2,366,158,173.64/55,036.06
  6. Step 6: Final answer
    x = 42,992.87

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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.