Home / 89,021.28-133,598.16-44,636.16

Finding the Fourth Proportional to 89,021.28, 133,598.16 and 44,636.16

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Solution

The fourth proportional to 89,021.28, 133,598.16 and 44,636.16 is: 66,987.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,021.28 : 133,598.16 = 44,636.16 : x
  2. Step 2: Convert to fraction form
    89,021.28/133,598.16 = 44,636.16/x
  3. Step 3: Cross multiply
    89,021.28x = 133,598.16 × 44,636.16
  4. Step 4: Simplify right side
    89,021.28x = 5,963,308,845.47
  5. Step 5: Solve for x
    x = 5,963,308,845.47/89,021.28
  6. Step 6: Final answer
    x = 66,987.45

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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.