Home / 103,962.62-155,814.42-47,742.96

Finding the Fourth Proportional to 103,962.62, 155,814.42 and 47,742.96

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Solution

The fourth proportional to 103,962.62, 155,814.42 and 47,742.96 is: 71,554.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,962.62 : 155,814.42 = 47,742.96 : x
  2. Step 2: Convert to fraction form
    103,962.62/155,814.42 = 47,742.96/x
  3. Step 3: Cross multiply
    103,962.62x = 155,814.42 × 47,742.96
  4. Step 4: Simplify right side
    103,962.62x = 7,439,041,621.48
  5. Step 5: Solve for x
    x = 7,439,041,621.48/103,962.62
  6. Step 6: Final answer
    x = 71,554.96

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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.