Home / 85,334.24-117,761.28-47,607.68

Finding the Fourth Proportional to 85,334.24, 117,761.28 and 47,607.68

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Solution

The fourth proportional to 85,334.24, 117,761.28 and 47,607.68 is: 65,698.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,334.24 : 117,761.28 = 47,607.68 : x
  2. Step 2: Convert to fraction form
    85,334.24/117,761.28 = 47,607.68/x
  3. Step 3: Cross multiply
    85,334.24x = 117,761.28 × 47,607.68
  4. Step 4: Simplify right side
    85,334.24x = 5,606,341,334.63
  5. Step 5: Solve for x
    x = 5,606,341,334.63/85,334.24
  6. Step 6: Final answer
    x = 65,698.61

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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.