Home / 52,097.42-78,241.46-47,705.64

Finding the Fourth Proportional to 52,097.42, 78,241.46 and 47,705.64

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Solution

The fourth proportional to 52,097.42, 78,241.46 and 47,705.64 is: 71,645.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,097.42 : 78,241.46 = 47,705.64 : x
  2. Step 2: Convert to fraction form
    52,097.42/78,241.46 = 47,705.64/x
  3. Step 3: Cross multiply
    52,097.42x = 78,241.46 × 47,705.64
  4. Step 4: Simplify right side
    52,097.42x = 3,732,558,685.31
  5. Step 5: Solve for x
    x = 3,732,558,685.31/52,097.42
  6. Step 6: Final answer
    x = 71,645.76

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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.