Home / 77,261.78-106,617.57-47,448.02

Finding the Fourth Proportional to 77,261.78, 106,617.57 and 47,448.02

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Solution

The fourth proportional to 77,261.78, 106,617.57 and 47,448.02 is: 65,476.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,261.78 : 106,617.57 = 47,448.02 : x
  2. Step 2: Convert to fraction form
    77,261.78/106,617.57 = 47,448.02/x
  3. Step 3: Cross multiply
    77,261.78x = 106,617.57 × 47,448.02
  4. Step 4: Simplify right side
    77,261.78x = 5,058,792,593.71
  5. Step 5: Solve for x
    x = 5,058,792,593.71/77,261.78
  6. Step 6: Final answer
    x = 65,476.00

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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.