Home / 87,812.16-121,180.80-48,068.16

Finding the Fourth Proportional to 87,812.16, 121,180.80 and 48,068.16

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Solution

The fourth proportional to 87,812.16, 121,180.80 and 48,068.16 is: 66,334.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,812.16 : 121,180.80 = 48,068.16 : x
  2. Step 2: Convert to fraction form
    87,812.16/121,180.80 = 48,068.16/x
  3. Step 3: Cross multiply
    87,812.16x = 121,180.80 × 48,068.16
  4. Step 4: Simplify right side
    87,812.16x = 5,824,938,083.33
  5. Step 5: Solve for x
    x = 5,824,938,083.33/87,812.16
  6. Step 6: Final answer
    x = 66,334.07

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.