Home / 85,558.47-118,070.97-47,832.72

Finding the Fourth Proportional to 85,558.47, 118,070.97 and 47,832.72

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Solution

The fourth proportional to 85,558.47, 118,070.97 and 47,832.72 is: 66,009.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,558.47 : 118,070.97 = 47,832.72 : x
  2. Step 2: Convert to fraction form
    85,558.47/118,070.97 = 47,832.72/x
  3. Step 3: Cross multiply
    85,558.47x = 118,070.97 × 47,832.72
  4. Step 4: Simplify right side
    85,558.47x = 5,647,655,648.14
  5. Step 5: Solve for x
    x = 5,647,655,648.14/85,558.47
  6. Step 6: Final answer
    x = 66,009.31

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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.