Home / 70,944.58-97,904.20-39,114.62

Finding the Fourth Proportional to 70,944.58, 97,904.20 and 39,114.62

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Solution

The fourth proportional to 70,944.58, 97,904.20 and 39,114.62 is: 53,978.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,944.58 : 97,904.20 = 39,114.62 : x
  2. Step 2: Convert to fraction form
    70,944.58/97,904.20 = 39,114.62/x
  3. Step 3: Cross multiply
    70,944.58x = 97,904.20 × 39,114.62
  4. Step 4: Simplify right side
    70,944.58x = 3,829,485,579.40
  5. Step 5: Solve for x
    x = 3,829,485,579.40/70,944.58
  6. Step 6: Final answer
    x = 53,978.55

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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.