Home / 68,386.28-94,376.51-38,171.84

Finding the Fourth Proportional to 68,386.28, 94,376.51 and 38,171.84

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Solution

The fourth proportional to 68,386.28, 94,376.51 and 38,171.84 is: 52,679.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,386.28 : 94,376.51 = 38,171.84 : x
  2. Step 2: Convert to fraction form
    68,386.28/94,376.51 = 38,171.84/x
  3. Step 3: Cross multiply
    68,386.28x = 94,376.51 × 38,171.84
  4. Step 4: Simplify right side
    68,386.28x = 3,602,525,529.42
  5. Step 5: Solve for x
    x = 3,602,525,529.42/68,386.28
  6. Step 6: Final answer
    x = 52,679.07

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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.