Home / 68,830.51-94,985.51-38,615.18

Finding the Fourth Proportional to 68,830.51, 94,985.51 and 38,615.18

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Solution

The fourth proportional to 68,830.51, 94,985.51 and 38,615.18 is: 53,288.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,830.51 : 94,985.51 = 38,615.18 : x
  2. Step 2: Convert to fraction form
    68,830.51/94,985.51 = 38,615.18/x
  3. Step 3: Cross multiply
    68,830.51x = 94,985.51 × 38,615.18
  4. Step 4: Simplify right side
    68,830.51x = 3,667,882,649.54
  5. Step 5: Solve for x
    x = 3,667,882,649.54/68,830.51
  6. Step 6: Final answer
    x = 53,288.62

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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.