Home / 77,136.55-106,417.09-50,269.25

Finding the Fourth Proportional to 77,136.55, 106,417.09 and 50,269.25

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Solution

The fourth proportional to 77,136.55, 106,417.09 and 50,269.25 is: 69,351.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,136.55 : 106,417.09 = 50,269.25 : x
  2. Step 2: Convert to fraction form
    77,136.55/106,417.09 = 50,269.25/x
  3. Step 3: Cross multiply
    77,136.55x = 106,417.09 × 50,269.25
  4. Step 4: Simplify right side
    77,136.55x = 5,349,507,301.48
  5. Step 5: Solve for x
    x = 5,349,507,301.48/77,136.55
  6. Step 6: Final answer
    x = 69,351.14

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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.