Home / 81,617.66-112,643.73-45,327.26

Finding the Fourth Proportional to 81,617.66, 112,643.73 and 45,327.26

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Solution

The fourth proportional to 81,617.66, 112,643.73 and 45,327.26 is: 62,557.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,617.66 : 112,643.73 = 45,327.26 : x
  2. Step 2: Convert to fraction form
    81,617.66/112,643.73 = 45,327.26/x
  3. Step 3: Cross multiply
    81,617.66x = 112,643.73 × 45,327.26
  4. Step 4: Simplify right side
    81,617.66x = 5,105,831,637.08
  5. Step 5: Solve for x
    x = 5,105,831,637.08/81,617.66
  6. Step 6: Final answer
    x = 62,557.93

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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.