Home / 85,141.74-117,481.53-51,607.74

Finding the Fourth Proportional to 85,141.74, 117,481.53 and 51,607.74

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Solution

The fourth proportional to 85,141.74, 117,481.53 and 51,607.74 is: 71,210.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,141.74 : 117,481.53 = 51,607.74 : x
  2. Step 2: Convert to fraction form
    85,141.74/117,481.53 = 51,607.74/x
  3. Step 3: Cross multiply
    85,141.74x = 117,481.53 × 51,607.74
  4. Step 4: Simplify right side
    85,141.74x = 6,062,956,255.04
  5. Step 5: Solve for x
    x = 6,062,956,255.04/85,141.74
  6. Step 6: Final answer
    x = 71,210.15

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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.