Home / 42,143.22-58,152.69-23,279.22

Finding the Fourth Proportional to 42,143.22, 58,152.69 and 23,279.22

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Solution

The fourth proportional to 42,143.22, 58,152.69 and 23,279.22 is: 32,122.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,143.22 : 58,152.69 = 23,279.22 : x
  2. Step 2: Convert to fraction form
    42,143.22/58,152.69 = 23,279.22/x
  3. Step 3: Cross multiply
    42,143.22x = 58,152.69 × 23,279.22
  4. Step 4: Simplify right side
    42,143.22x = 1,353,749,264.10
  5. Step 5: Solve for x
    x = 1,353,749,264.10/42,143.22
  6. Step 6: Final answer
    x = 32,122.59

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.