Home / 103,569.49-142,932.75-58,252.11

Finding the Fourth Proportional to 103,569.49, 142,932.75 and 58,252.11

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Solution

The fourth proportional to 103,569.49, 142,932.75 and 58,252.11 is: 80,391.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,569.49 : 142,932.75 = 58,252.11 : x
  2. Step 2: Convert to fraction form
    103,569.49/142,932.75 = 58,252.11/x
  3. Step 3: Cross multiply
    103,569.49x = 142,932.75 × 58,252.11
  4. Step 4: Simplify right side
    103,569.49x = 8,326,134,652.82
  5. Step 5: Solve for x
    x = 8,326,134,652.82/103,569.49
  6. Step 6: Final answer
    x = 80,391.77

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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.