Home / 55,083.14-76,014.54-31,214.36

Finding the Fourth Proportional to 55,083.14, 76,014.54 and 31,214.36

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Solution

The fourth proportional to 55,083.14, 76,014.54 and 31,214.36 is: 43,075.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,083.14 : 76,014.54 = 31,214.36 : x
  2. Step 2: Convert to fraction form
    55,083.14/76,014.54 = 31,214.36/x
  3. Step 3: Cross multiply
    55,083.14x = 76,014.54 × 31,214.36
  4. Step 4: Simplify right side
    55,083.14x = 2,372,744,836.72
  5. Step 5: Solve for x
    x = 2,372,744,836.72/55,083.14
  6. Step 6: Final answer
    x = 43,075.70

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1.5x scale

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.