Home / 88,257.67-121,792.01-47,970.50

Finding the Fourth Proportional to 88,257.67, 121,792.01 and 47,970.50

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Solution

The fourth proportional to 88,257.67, 121,792.01 and 47,970.50 is: 66,197.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,257.67 : 121,792.01 = 47,970.50 : x
  2. Step 2: Convert to fraction form
    88,257.67/121,792.01 = 47,970.50/x
  3. Step 3: Cross multiply
    88,257.67x = 121,792.01 × 47,970.50
  4. Step 4: Simplify right side
    88,257.67x = 5,842,422,766.89
  5. Step 5: Solve for x
    x = 5,842,422,766.89/88,257.67
  6. Step 6: Final answer
    x = 66,197.34

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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.