Home / 55,340.14-76,371.53-31,468.98

Finding the Fourth Proportional to 55,340.14, 76,371.53 and 31,468.98

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Solution

The fourth proportional to 55,340.14, 76,371.53 and 31,468.98 is: 43,428.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,340.14 : 76,371.53 = 31,468.98 : x
  2. Step 2: Convert to fraction form
    55,340.14/76,371.53 = 31,468.98/x
  3. Step 3: Cross multiply
    55,340.14x = 76,371.53 × 31,468.98
  4. Step 4: Simplify right side
    55,340.14x = 2,403,334,150.14
  5. Step 5: Solve for x
    x = 2,403,334,150.14/55,340.14
  6. Step 6: Final answer
    x = 43,428.41

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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.