Home / 114,083.16-157,371.55-66,331.23

Finding the Fourth Proportional to 114,083.16, 157,371.55 and 66,331.23

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Solution

The fourth proportional to 114,083.16, 157,371.55 and 66,331.23 is: 91,500.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,083.16 : 157,371.55 = 66,331.23 : x
  2. Step 2: Convert to fraction form
    114,083.16/157,371.55 = 66,331.23/x
  3. Step 3: Cross multiply
    114,083.16x = 157,371.55 × 66,331.23
  4. Step 4: Simplify right side
    114,083.16x = 10,438,648,478.51
  5. Step 5: Solve for x
    x = 10,438,648,478.51/114,083.16
  6. Step 6: Final answer
    x = 91,500.34

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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.