Home / 99,049.53-136,687.54-53,727.40

Finding the Fourth Proportional to 99,049.53, 136,687.54 and 53,727.40

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Solution

The fourth proportional to 99,049.53, 136,687.54 and 53,727.40 is: 74,143.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,049.53 : 136,687.54 = 53,727.40 : x
  2. Step 2: Convert to fraction form
    99,049.53/136,687.54 = 53,727.40/x
  3. Step 3: Cross multiply
    99,049.53x = 136,687.54 × 53,727.40
  4. Step 4: Simplify right side
    99,049.53x = 7,343,866,136.60
  5. Step 5: Solve for x
    x = 7,343,866,136.60/99,049.53
  6. Step 6: Final answer
    x = 74,143.37

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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.