Home / 100,052.02-150,078.27-40,887.67

Finding the Fourth Proportional to 100,052.02, 150,078.27 and 40,887.67

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Solution

The fourth proportional to 100,052.02, 150,078.27 and 40,887.67 is: 61,331.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,052.02 : 150,078.27 = 40,887.67 : x
  2. Step 2: Convert to fraction form
    100,052.02/150,078.27 = 40,887.67/x
  3. Step 3: Cross multiply
    100,052.02x = 150,078.27 × 40,887.67
  4. Step 4: Simplify right side
    100,052.02x = 6,136,350,777.93
  5. Step 5: Solve for x
    x = 6,136,350,777.93/100,052.02
  6. Step 6: Final answer
    x = 61,331.60

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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.