Home / 50,136.24-75,153.76-31,429.42

Finding the Fourth Proportional to 50,136.24, 75,153.76 and 31,429.42

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Solution

The fourth proportional to 50,136.24, 75,153.76 and 31,429.42 is: 47,112.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,136.24 : 75,153.76 = 31,429.42 : x
  2. Step 2: Convert to fraction form
    50,136.24/75,153.76 = 31,429.42/x
  3. Step 3: Cross multiply
    50,136.24x = 75,153.76 × 31,429.42
  4. Step 4: Simplify right side
    50,136.24x = 2,362,038,762.23
  5. Step 5: Solve for x
    x = 2,362,038,762.23/50,136.24
  6. Step 6: Final answer
    x = 47,112.40

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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.