Home / 55,440.86-76,502.48-32,780.70

Finding the Fourth Proportional to 55,440.86, 76,502.48 and 32,780.70

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Solution

The fourth proportional to 55,440.86, 76,502.48 and 32,780.70 is: 45,233.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,440.86 : 76,502.48 = 32,780.70 : x
  2. Step 2: Convert to fraction form
    55,440.86/76,502.48 = 32,780.70/x
  3. Step 3: Cross multiply
    55,440.86x = 76,502.48 × 32,780.70
  4. Step 4: Simplify right side
    55,440.86x = 2,507,804,682.23
  5. Step 5: Solve for x
    x = 2,507,804,682.23/55,440.86
  6. Step 6: Final answer
    x = 45,233.87

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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.