Home / 55,343.08-76,370.34-31,475.56

Finding the Fourth Proportional to 55,343.08, 76,370.34 and 31,475.56

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Solution

The fourth proportional to 55,343.08, 76,370.34 and 31,475.56 is: 43,434.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,343.08 : 76,370.34 = 31,475.56 : x
  2. Step 2: Convert to fraction form
    55,343.08/76,370.34 = 31,475.56/x
  3. Step 3: Cross multiply
    55,343.08x = 76,370.34 × 31,475.56
  4. Step 4: Simplify right side
    55,343.08x = 2,403,799,218.89
  5. Step 5: Solve for x
    x = 2,403,799,218.89/55,343.08
  6. Step 6: Final answer
    x = 43,434.50

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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.