Home / 92,948.52-128,204.10-61,107.24

Finding the Fourth Proportional to 92,948.52, 128,204.10 and 61,107.24

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Solution

The fourth proportional to 92,948.52, 128,204.10 and 61,107.24 is: 84,285.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,948.52 : 128,204.10 = 61,107.24 : x
  2. Step 2: Convert to fraction form
    92,948.52/128,204.10 = 61,107.24/x
  3. Step 3: Cross multiply
    92,948.52x = 128,204.10 × 61,107.24
  4. Step 4: Simplify right side
    92,948.52x = 7,834,198,707.68
  5. Step 5: Solve for x
    x = 7,834,198,707.68/92,948.52
  6. Step 6: Final answer
    x = 84,285.35

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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.