Home / 68,875.96-103,288.02-54,257.08

Finding the Fourth Proportional to 68,875.96, 103,288.02 and 54,257.08

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Solution

The fourth proportional to 68,875.96, 103,288.02 and 54,257.08 is: 81,365.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,875.96 : 103,288.02 = 54,257.08 : x
  2. Step 2: Convert to fraction form
    68,875.96/103,288.02 = 54,257.08/x
  3. Step 3: Cross multiply
    68,875.96x = 103,288.02 × 54,257.08
  4. Step 4: Simplify right side
    68,875.96x = 5,604,106,364.18
  5. Step 5: Solve for x
    x = 5,604,106,364.18/68,875.96
  6. Step 6: Final answer
    x = 81,365.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.