Home / 68,854.56-95,015.40-38,637.06

Finding the Fourth Proportional to 68,854.56, 95,015.40 and 38,637.06

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Solution

The fourth proportional to 68,854.56, 95,015.40 and 38,637.06 is: 53,316.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,854.56 : 95,015.40 = 38,637.06 : x
  2. Step 2: Convert to fraction form
    68,854.56/95,015.40 = 38,637.06/x
  3. Step 3: Cross multiply
    68,854.56x = 95,015.40 × 38,637.06
  4. Step 4: Simplify right side
    68,854.56x = 3,671,115,710.72
  5. Step 5: Solve for x
    x = 3,671,115,710.72/68,854.56
  6. Step 6: Final answer
    x = 53,316.96

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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.