Home / 88,928.89-133,379.36-28,959.53

Finding the Fourth Proportional to 88,928.89, 133,379.36 and 28,959.53

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Solution

The fourth proportional to 88,928.89, 133,379.36 and 28,959.53 is: 43,434.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,928.89 : 133,379.36 = 28,959.53 : x
  2. Step 2: Convert to fraction form
    88,928.89/133,379.36 = 28,959.53/x
  3. Step 3: Cross multiply
    88,928.89x = 133,379.36 × 28,959.53
  4. Step 4: Simplify right side
    88,928.89x = 3,862,602,874.20
  5. Step 5: Solve for x
    x = 3,862,602,874.20/88,928.89
  6. Step 6: Final answer
    x = 43,434.74

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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.