Home / 70,125.05-96,776.20-42,892.60

Finding the Fourth Proportional to 70,125.05, 96,776.20 and 42,892.60

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Solution

The fourth proportional to 70,125.05, 96,776.20 and 42,892.60 is: 59,194.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,125.05 : 96,776.20 = 42,892.60 : x
  2. Step 2: Convert to fraction form
    70,125.05/96,776.20 = 42,892.60/x
  3. Step 3: Cross multiply
    70,125.05x = 96,776.20 × 42,892.60
  4. Step 4: Simplify right side
    70,125.05x = 4,150,982,621.66
  5. Step 5: Solve for x
    x = 4,150,982,621.66/70,125.05
  6. Step 6: Final answer
    x = 59,194.01

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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.