Home / 81,368.94-112,298.73-45,552.03

Finding the Fourth Proportional to 81,368.94, 112,298.73 and 45,552.03

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Solution

The fourth proportional to 81,368.94, 112,298.73 and 45,552.03 is: 62,867.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,368.94 : 112,298.73 = 45,552.03 : x
  2. Step 2: Convert to fraction form
    81,368.94/112,298.73 = 45,552.03/x
  3. Step 3: Cross multiply
    81,368.94x = 112,298.73 × 45,552.03
  4. Step 4: Simplify right side
    81,368.94x = 5,115,435,117.92
  5. Step 5: Solve for x
    x = 5,115,435,117.92/81,368.94
  6. Step 6: Final answer
    x = 62,867.17

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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.