Home / 85,581.51-118,099.96-47,342.58

Finding the Fourth Proportional to 85,581.51, 118,099.96 and 47,342.58

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Solution

The fourth proportional to 85,581.51, 118,099.96 and 47,342.58 is: 65,331.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,581.51 : 118,099.96 = 47,342.58 : x
  2. Step 2: Convert to fraction form
    85,581.51/118,099.96 = 47,342.58/x
  3. Step 3: Cross multiply
    85,581.51x = 118,099.96 × 47,342.58
  4. Step 4: Simplify right side
    85,581.51x = 5,591,156,804.30
  5. Step 5: Solve for x
    x = 5,591,156,804.30/85,581.51
  6. Step 6: Final answer
    x = 65,331.36

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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.