Home / 57,549.02-86,323.80-20,108.93

Finding the Fourth Proportional to 57,549.02, 86,323.80 and 20,108.93

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Solution

The fourth proportional to 57,549.02, 86,323.80 and 20,108.93 is: 30,163.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,549.02 : 86,323.80 = 20,108.93 : x
  2. Step 2: Convert to fraction form
    57,549.02/86,323.80 = 20,108.93/x
  3. Step 3: Cross multiply
    57,549.02x = 86,323.80 × 20,108.93
  4. Step 4: Simplify right side
    57,549.02x = 1,735,879,251.53
  5. Step 5: Solve for x
    x = 1,735,879,251.53/57,549.02
  6. Step 6: Final answer
    x = 30,163.49

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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.