Home / 68,058.94-93,931.54-49,001.78

Finding the Fourth Proportional to 68,058.94, 93,931.54 and 49,001.78

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Solution

The fourth proportional to 68,058.94, 93,931.54 and 49,001.78 is: 67,629.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,058.94 : 93,931.54 = 49,001.78 : x
  2. Step 2: Convert to fraction form
    68,058.94/93,931.54 = 49,001.78/x
  3. Step 3: Cross multiply
    68,058.94x = 93,931.54 × 49,001.78
  4. Step 4: Simplify right side
    68,058.94x = 4,602,812,658.14
  5. Step 5: Solve for x
    x = 4,602,812,658.14/68,058.94
  6. Step 6: Final answer
    x = 67,629.80

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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.