Home / 88,059.47-131,972.40-47,975.63

Finding the Fourth Proportional to 88,059.47, 131,972.40 and 47,975.63

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Solution

The fourth proportional to 88,059.47, 131,972.40 and 47,975.63 is: 71,899.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,059.47 : 131,972.40 = 47,975.63 : x
  2. Step 2: Convert to fraction form
    88,059.47/131,972.40 = 47,975.63/x
  3. Step 3: Cross multiply
    88,059.47x = 131,972.40 × 47,975.63
  4. Step 4: Simplify right side
    88,059.47x = 6,331,459,362.54
  5. Step 5: Solve for x
    x = 6,331,459,362.54/88,059.47
  6. Step 6: Final answer
    x = 71,899.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.