Home / 58,077.92-87,065.28-20,633.06

Finding the Fourth Proportional to 58,077.92, 87,065.28 and 20,633.06

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Solution

The fourth proportional to 58,077.92, 87,065.28 and 20,633.06 is: 30,931.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,077.92 : 87,065.28 = 20,633.06 : x
  2. Step 2: Convert to fraction form
    58,077.92/87,065.28 = 20,633.06/x
  3. Step 3: Cross multiply
    58,077.92x = 87,065.28 × 20,633.06
  4. Step 4: Simplify right side
    58,077.92x = 1,796,422,710.83
  5. Step 5: Solve for x
    x = 1,796,422,710.83/58,077.92
  6. Step 6: Final answer
    x = 30,931.25

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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.