Home / 93,718.78-129,333.99-51,277.30

Finding the Fourth Proportional to 93,718.78, 129,333.99 and 51,277.30

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Solution

The fourth proportional to 93,718.78, 129,333.99 and 51,277.30 is: 70,763.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,718.78 : 129,333.99 = 51,277.30 : x
  2. Step 2: Convert to fraction form
    93,718.78/129,333.99 = 51,277.30/x
  3. Step 3: Cross multiply
    93,718.78x = 129,333.99 × 51,277.30
  4. Step 4: Simplify right side
    93,718.78x = 6,631,897,805.43
  5. Step 5: Solve for x
    x = 6,631,897,805.43/93,718.78
  6. Step 6: Final answer
    x = 70,763.81

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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.