Home / 70,800.05-97,690.58-45,286.87

Finding the Fourth Proportional to 70,800.05, 97,690.58 and 45,286.87

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Solution

The fourth proportional to 70,800.05, 97,690.58 and 45,286.87 is: 62,487.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,800.05 : 97,690.58 = 45,286.87 : x
  2. Step 2: Convert to fraction form
    70,800.05/97,690.58 = 45,286.87/x
  3. Step 3: Cross multiply
    70,800.05x = 97,690.58 × 45,286.87
  4. Step 4: Simplify right side
    70,800.05x = 4,424,100,596.68
  5. Step 5: Solve for x
    x = 4,424,100,596.68/70,800.05
  6. Step 6: Final answer
    x = 62,487.25

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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.