Home / 79,812.02-110,136.05-45,813.29

Finding the Fourth Proportional to 79,812.02, 110,136.05 and 45,813.29

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Solution

The fourth proportional to 79,812.02, 110,136.05 and 45,813.29 is: 63,219.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,812.02 : 110,136.05 = 45,813.29 : x
  2. Step 2: Convert to fraction form
    79,812.02/110,136.05 = 45,813.29/x
  3. Step 3: Cross multiply
    79,812.02x = 110,136.05 × 45,813.29
  4. Step 4: Simplify right side
    79,812.02x = 5,045,694,018.36
  5. Step 5: Solve for x
    x = 5,045,694,018.36/79,812.02
  6. Step 6: Final answer
    x = 63,219.73

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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.