Home / 57,171.02-85,661.75-40,448.16

Finding the Fourth Proportional to 57,171.02, 85,661.75 and 40,448.16

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Solution

The fourth proportional to 57,171.02, 85,661.75 and 40,448.16 is: 60,605.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,171.02 : 85,661.75 = 40,448.16 : x
  2. Step 2: Convert to fraction form
    57,171.02/85,661.75 = 40,448.16/x
  3. Step 3: Cross multiply
    57,171.02x = 85,661.75 × 40,448.16
  4. Step 4: Simplify right side
    57,171.02x = 3,464,860,271.00
  5. Step 5: Solve for x
    x = 3,464,860,271.00/57,171.02
  6. Step 6: Final answer
    x = 60,605.19

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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.