Home / 53,887.14-74,364.36-31,230.54

Finding the Fourth Proportional to 53,887.14, 74,364.36 and 31,230.54

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Solution

The fourth proportional to 53,887.14, 74,364.36 and 31,230.54 is: 43,098.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,887.14 : 74,364.36 = 31,230.54 : x
  2. Step 2: Convert to fraction form
    53,887.14/74,364.36 = 31,230.54/x
  3. Step 3: Cross multiply
    53,887.14x = 74,364.36 × 31,230.54
  4. Step 4: Simplify right side
    53,887.14x = 2,322,439,119.55
  5. Step 5: Solve for x
    x = 2,322,439,119.55/53,887.14
  6. Step 6: Final answer
    x = 43,098.21

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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.