Home / 85,676.48-118,232.32-47,432.36

Finding the Fourth Proportional to 85,676.48, 118,232.32 and 47,432.36

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Solution

The fourth proportional to 85,676.48, 118,232.32 and 47,432.36 is: 65,455.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,676.48 : 118,232.32 = 47,432.36 : x
  2. Step 2: Convert to fraction form
    85,676.48/118,232.32 = 47,432.36/x
  3. Step 3: Cross multiply
    85,676.48x = 118,232.32 × 47,432.36
  4. Step 4: Simplify right side
    85,676.48x = 5,608,037,965.88
  5. Step 5: Solve for x
    x = 5,608,037,965.88/85,676.48
  6. Step 6: Final answer
    x = 65,455.98

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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.