Home / 53,660.45-74,062.23-31,003.13

Finding the Fourth Proportional to 53,660.45, 74,062.23 and 31,003.13

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Solution

The fourth proportional to 53,660.45, 74,062.23 and 31,003.13 is: 42,790.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,660.45 : 74,062.23 = 31,003.13 : x
  2. Step 2: Convert to fraction form
    53,660.45/74,062.23 = 31,003.13/x
  3. Step 3: Cross multiply
    53,660.45x = 74,062.23 × 31,003.13
  4. Step 4: Simplify right side
    53,660.45x = 2,296,160,944.78
  5. Step 5: Solve for x
    x = 2,296,160,944.78/53,660.45
  6. Step 6: Final answer
    x = 42,790.56

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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.