Home / 94,204.32-130,127.76-66,003.36

Finding the Fourth Proportional to 94,204.32, 130,127.76 and 66,003.36

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Solution

The fourth proportional to 94,204.32, 130,127.76 and 66,003.36 is: 91,172.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,204.32 : 130,127.76 = 66,003.36 : x
  2. Step 2: Convert to fraction form
    94,204.32/130,127.76 = 66,003.36/x
  3. Step 3: Cross multiply
    94,204.32x = 130,127.76 × 66,003.36
  4. Step 4: Simplify right side
    94,204.32x = 8,588,869,389.27
  5. Step 5: Solve for x
    x = 8,588,869,389.27/94,204.32
  6. Step 6: Final answer
    x = 91,172.78

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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.