Home / 71,072.17-98,076.63-38,804.20

Finding the Fourth Proportional to 71,072.17, 98,076.63 and 38,804.20

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Solution

The fourth proportional to 71,072.17, 98,076.63 and 38,804.20 is: 53,548.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,072.17 : 98,076.63 = 38,804.20 : x
  2. Step 2: Convert to fraction form
    71,072.17/98,076.63 = 38,804.20/x
  3. Step 3: Cross multiply
    71,072.17x = 98,076.63 × 38,804.20
  4. Step 4: Simplify right side
    71,072.17x = 3,805,785,165.85
  5. Step 5: Solve for x
    x = 3,805,785,165.85/71,072.17
  6. Step 6: Final answer
    x = 53,548.18

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1.5x scale

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.