Home / 68,356.02-94,331.19-38,139.51

Finding the Fourth Proportional to 68,356.02, 94,331.19 and 38,139.51

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Solution

The fourth proportional to 68,356.02, 94,331.19 and 38,139.51 is: 52,632.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,356.02 : 94,331.19 = 38,139.51 : x
  2. Step 2: Convert to fraction form
    68,356.02/94,331.19 = 38,139.51/x
  3. Step 3: Cross multiply
    68,356.02x = 94,331.19 × 38,139.51
  4. Step 4: Simplify right side
    68,356.02x = 3,597,745,364.32
  5. Step 5: Solve for x
    x = 3,597,745,364.32/68,356.02
  6. Step 6: Final answer
    x = 52,632.46

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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.