Home / 58,225.95-87,357.38-20,785.22

Finding the Fourth Proportional to 58,225.95, 87,357.38 and 20,785.22

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Solution

The fourth proportional to 58,225.95, 87,357.38 and 20,785.22 is: 31,184.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,225.95 : 87,357.38 = 20,785.22 : x
  2. Step 2: Convert to fraction form
    58,225.95/87,357.38 = 20,785.22/x
  3. Step 3: Cross multiply
    58,225.95x = 87,357.38 × 20,785.22
  4. Step 4: Simplify right side
    58,225.95x = 1,815,742,049.25
  5. Step 5: Solve for x
    x = 1,815,742,049.25/58,225.95
  6. Step 6: Final answer
    x = 31,184.41

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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.