Home / 42,128.91-58,137.93-23,266.02

Finding the Fourth Proportional to 42,128.91, 58,137.93 and 23,266.02

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Solution

The fourth proportional to 42,128.91, 58,137.93 and 23,266.02 is: 32,107.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,128.91 : 58,137.93 = 23,266.02 : x
  2. Step 2: Convert to fraction form
    42,128.91/58,137.93 = 23,266.02/x
  3. Step 3: Cross multiply
    42,128.91x = 58,137.93 × 23,266.02
  4. Step 4: Simplify right side
    42,128.91x = 1,352,638,242.14
  5. Step 5: Solve for x
    x = 1,352,638,242.14/42,128.91
  6. Step 6: Final answer
    x = 32,107.13

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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.