Home / 85,558.48-118,070.96-47,832.72

Finding the Fourth Proportional to 85,558.48, 118,070.96 and 47,832.72

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Solution

The fourth proportional to 85,558.48, 118,070.96 and 47,832.72 is: 66,009.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,558.48 : 118,070.96 = 47,832.72 : x
  2. Step 2: Convert to fraction form
    85,558.48/118,070.96 = 47,832.72/x
  3. Step 3: Cross multiply
    85,558.48x = 118,070.96 × 47,832.72
  4. Step 4: Simplify right side
    85,558.48x = 5,647,655,169.81
  5. Step 5: Solve for x
    x = 5,647,655,169.81/85,558.48
  6. Step 6: Final answer
    x = 66,009.30

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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.