Home / 70,736.31-97,618.17-38,907.27

Finding the Fourth Proportional to 70,736.31, 97,618.17 and 38,907.27

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Solution

The fourth proportional to 70,736.31, 97,618.17 and 38,907.27 is: 53,693.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,736.31 : 97,618.17 = 38,907.27 : x
  2. Step 2: Convert to fraction form
    70,736.31/97,618.17 = 38,907.27/x
  3. Step 3: Cross multiply
    70,736.31x = 97,618.17 × 38,907.27
  4. Step 4: Simplify right side
    70,736.31x = 3,798,056,497.10
  5. Step 5: Solve for x
    x = 3,798,056,497.10/70,736.31
  6. Step 6: Final answer
    x = 53,693.17

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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.