Home / 85,608.96-118,141.38-47,883.48

Finding the Fourth Proportional to 85,608.96, 118,141.38 and 47,883.48

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Solution

The fourth proportional to 85,608.96, 118,141.38 and 47,883.48 is: 66,079.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,608.96 : 118,141.38 = 47,883.48 : x
  2. Step 2: Convert to fraction form
    85,608.96/118,141.38 = 47,883.48/x
  3. Step 3: Cross multiply
    85,608.96x = 118,141.38 × 47,883.48
  4. Step 4: Simplify right side
    85,608.96x = 5,657,020,406.40
  5. Step 5: Solve for x
    x = 5,657,020,406.40/85,608.96
  6. Step 6: Final answer
    x = 66,079.77

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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.