Home / 92,740.12-139,108.02-50,661.16

Finding the Fourth Proportional to 92,740.12, 139,108.02 and 50,661.16

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Solution

The fourth proportional to 92,740.12, 139,108.02 and 50,661.16 is: 75,990.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,740.12 : 139,108.02 = 50,661.16 : x
  2. Step 2: Convert to fraction form
    92,740.12/139,108.02 = 50,661.16/x
  3. Step 3: Cross multiply
    92,740.12x = 139,108.02 × 50,661.16
  4. Step 4: Simplify right side
    92,740.12x = 7,047,373,658.50
  5. Step 5: Solve for x
    x = 7,047,373,658.50/92,740.12
  6. Step 6: Final answer
    x = 75,990.56

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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.