Home / 84,314.23-116,407.89-54,112.57

Finding the Fourth Proportional to 84,314.23, 116,407.89 and 54,112.57

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Solution

The fourth proportional to 84,314.23, 116,407.89 and 54,112.57 is: 74,710.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,314.23 : 116,407.89 = 54,112.57 : x
  2. Step 2: Convert to fraction form
    84,314.23/116,407.89 = 54,112.57/x
  3. Step 3: Cross multiply
    84,314.23x = 116,407.89 × 54,112.57
  4. Step 4: Simplify right side
    84,314.23x = 6,299,130,096.18
  5. Step 5: Solve for x
    x = 6,299,130,096.18/84,314.23
  6. Step 6: Final answer
    x = 74,710.17

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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.