Home / 53,480.16-80,303.19-51,113.67

Finding the Fourth Proportional to 53,480.16, 80,303.19 and 51,113.67

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Solution

The fourth proportional to 53,480.16, 80,303.19 and 51,113.67 is: 76,749.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,480.16 : 80,303.19 = 51,113.67 : x
  2. Step 2: Convert to fraction form
    53,480.16/80,303.19 = 51,113.67/x
  3. Step 3: Cross multiply
    53,480.16x = 80,303.19 × 51,113.67
  4. Step 4: Simplify right side
    53,480.16x = 4,104,590,753.61
  5. Step 5: Solve for x
    x = 4,104,590,753.61/53,480.16
  6. Step 6: Final answer
    x = 76,749.78

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.