Home / 70,778.54-97,560.96-53,727.32

Finding the Fourth Proportional to 70,778.54, 97,560.96 and 53,727.32

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Solution

The fourth proportional to 70,778.54, 97,560.96 and 53,727.32 is: 74,057.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,778.54 : 97,560.96 = 53,727.32 : x
  2. Step 2: Convert to fraction form
    70,778.54/97,560.96 = 53,727.32/x
  3. Step 3: Cross multiply
    70,778.54x = 97,560.96 × 53,727.32
  4. Step 4: Simplify right side
    70,778.54x = 5,241,688,917.43
  5. Step 5: Solve for x
    x = 5,241,688,917.43/70,778.54
  6. Step 6: Final answer
    x = 74,057.60

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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.