Home / 55,264.81-76,265.54-30,114.31

Finding the Fourth Proportional to 55,264.81, 76,265.54 and 30,114.31

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Solution

The fourth proportional to 55,264.81, 76,265.54 and 30,114.31 is: 41,557.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,264.81 : 76,265.54 = 30,114.31 : x
  2. Step 2: Convert to fraction form
    55,264.81/76,265.54 = 30,114.31/x
  3. Step 3: Cross multiply
    55,264.81x = 76,265.54 × 30,114.31
  4. Step 4: Simplify right side
    55,264.81x = 2,296,684,113.88
  5. Step 5: Solve for x
    x = 2,296,684,113.88/55,264.81
  6. Step 6: Final answer
    x = 41,557.80

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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.