Home / 88,024.34-121,474.14-47,738.72

Finding the Fourth Proportional to 88,024.34, 121,474.14 and 47,738.72

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Solution

The fourth proportional to 88,024.34, 121,474.14 and 47,738.72 is: 65,879.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,024.34 : 121,474.14 = 47,738.72 : x
  2. Step 2: Convert to fraction form
    88,024.34/121,474.14 = 47,738.72/x
  3. Step 3: Cross multiply
    88,024.34x = 121,474.14 × 47,738.72
  4. Step 4: Simplify right side
    88,024.34x = 5,799,019,956.70
  5. Step 5: Solve for x
    x = 5,799,019,956.70/88,024.34
  6. Step 6: Final answer
    x = 65,879.73

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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.