Home / 55,618.35-76,760.63-31,749.67

Finding the Fourth Proportional to 55,618.35, 76,760.63 and 31,749.67

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Solution

The fourth proportional to 55,618.35, 76,760.63 and 31,749.67 is: 43,818.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,618.35 : 76,760.63 = 31,749.67 : x
  2. Step 2: Convert to fraction form
    55,618.35/76,760.63 = 31,749.67/x
  3. Step 3: Cross multiply
    55,618.35x = 76,760.63 × 31,749.67
  4. Step 4: Simplify right side
    55,618.35x = 2,437,124,671.49
  5. Step 5: Solve for x
    x = 2,437,124,671.49/55,618.35
  6. Step 6: Final answer
    x = 43,818.72

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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.