Home / 88,681.68-133,069.22-51,268.02

Finding the Fourth Proportional to 88,681.68, 133,069.22 and 51,268.02

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Solution

The fourth proportional to 88,681.68, 133,069.22 and 51,268.02 is: 76,929.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,681.68 : 133,069.22 = 51,268.02 : x
  2. Step 2: Convert to fraction form
    88,681.68/133,069.22 = 51,268.02/x
  3. Step 3: Cross multiply
    88,681.68x = 133,069.22 × 51,268.02
  4. Step 4: Simplify right side
    88,681.68x = 6,822,195,176.00
  5. Step 5: Solve for x
    x = 6,822,195,176.00/88,681.68
  6. Step 6: Final answer
    x = 76,929.03

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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.