Home / 93,768.66-129,401.10-51,331.14

Finding the Fourth Proportional to 93,768.66, 129,401.10 and 51,331.14

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Solution

The fourth proportional to 93,768.66, 129,401.10 and 51,331.14 is: 70,837.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,768.66 : 129,401.10 = 51,331.14 : x
  2. Step 2: Convert to fraction form
    93,768.66/129,401.10 = 51,331.14/x
  3. Step 3: Cross multiply
    93,768.66x = 129,401.10 × 51,331.14
  4. Step 4: Simplify right side
    93,768.66x = 6,642,305,980.25
  5. Step 5: Solve for x
    x = 6,642,305,980.25/93,768.66
  6. Step 6: Final answer
    x = 70,837.16

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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.