Home / 55,047.52-75,966.60-31,174.12

Finding the Fourth Proportional to 55,047.52, 75,966.60 and 31,174.12

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Solution

The fourth proportional to 55,047.52, 75,966.60 and 31,174.12 is: 43,020.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,047.52 : 75,966.60 = 31,174.12 : x
  2. Step 2: Convert to fraction form
    55,047.52/75,966.60 = 31,174.12/x
  3. Step 3: Cross multiply
    55,047.52x = 75,966.60 × 31,174.12
  4. Step 4: Simplify right side
    55,047.52x = 2,368,191,904.39
  5. Step 5: Solve for x
    x = 2,368,191,904.39/55,047.52
  6. Step 6: Final answer
    x = 43,020.86

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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.