Home / 85,608.54-118,133.37-47,875.50

Finding the Fourth Proportional to 85,608.54, 118,133.37 and 47,875.50

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Solution

The fourth proportional to 85,608.54, 118,133.37 and 47,875.50 is: 66,064.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,608.54 : 118,133.37 = 47,875.50 : x
  2. Step 2: Convert to fraction form
    85,608.54/118,133.37 = 47,875.50/x
  3. Step 3: Cross multiply
    85,608.54x = 118,133.37 × 47,875.50
  4. Step 4: Simplify right side
    85,608.54x = 5,655,694,155.44
  5. Step 5: Solve for x
    x = 5,655,694,155.44/85,608.54
  6. Step 6: Final answer
    x = 66,064.60

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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.