Home / 58,177.36-87,279-31,868.56

Finding the Fourth Proportional to 58,177.36, 87,279 and 31,868.56

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Solution

The fourth proportional to 58,177.36, 87,279 and 31,868.56 is: 47,809.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,177.36 : 87,279 = 31,868.56 : x
  2. Step 2: Convert to fraction form
    58,177.36/87,279 = 31,868.56/x
  3. Step 3: Cross multiply
    58,177.36x = 87,279 × 31,868.56
  4. Step 4: Simplify right side
    58,177.36x = 2,781,456,048.24
  5. Step 5: Solve for x
    x = 2,781,456,048.24/58,177.36
  6. Step 6: Final answer
    x = 47,809.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.