Home / 89,201.78-133,802.67-30,032.49

Finding the Fourth Proportional to 89,201.78, 133,802.67 and 30,032.49

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Solution

The fourth proportional to 89,201.78, 133,802.67 and 30,032.49 is: 45,048.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,201.78 : 133,802.67 = 30,032.49 : x
  2. Step 2: Convert to fraction form
    89,201.78/133,802.67 = 30,032.49/x
  3. Step 3: Cross multiply
    89,201.78x = 133,802.67 × 30,032.49
  4. Step 4: Simplify right side
    89,201.78x = 4,018,427,348.75
  5. Step 5: Solve for x
    x = 4,018,427,348.75/89,201.78
  6. Step 6: Final answer
    x = 45,048.74

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1.5x scale

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.