Home / 88,946.69-133,419.30-36,319.28

Finding the Fourth Proportional to 88,946.69, 133,419.30 and 36,319.28

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Solution

The fourth proportional to 88,946.69, 133,419.30 and 36,319.28 is: 54,478.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,946.69 : 133,419.30 = 36,319.28 : x
  2. Step 2: Convert to fraction form
    88,946.69/133,419.30 = 36,319.28/x
  3. Step 3: Cross multiply
    88,946.69x = 133,419.30 × 36,319.28
  4. Step 4: Simplify right side
    88,946.69x = 4,845,692,247.01
  5. Step 5: Solve for x
    x = 4,845,692,247.01/88,946.69
  6. Step 6: Final answer
    x = 54,478.62

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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.