Home / 75,510.60-113,136.30-49,201.80

Finding the Fourth Proportional to 75,510.60, 113,136.30 and 49,201.80

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Solution

The fourth proportional to 75,510.60, 113,136.30 and 49,201.80 is: 73,718.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,510.60 : 113,136.30 = 49,201.80 : x
  2. Step 2: Convert to fraction form
    75,510.60/113,136.30 = 49,201.80/x
  3. Step 3: Cross multiply
    75,510.60x = 113,136.30 × 49,201.80
  4. Step 4: Simplify right side
    75,510.60x = 5,566,509,605.34
  5. Step 5: Solve for x
    x = 5,566,509,605.34/75,510.60
  6. Step 6: Final answer
    x = 73,718.25

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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.