Home / 74,002.13-102,122.93-40,468.13

Finding the Fourth Proportional to 74,002.13, 102,122.93 and 40,468.13

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Solution

The fourth proportional to 74,002.13, 102,122.93 and 40,468.13 is: 55,846.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,002.13 : 102,122.93 = 40,468.13 : x
  2. Step 2: Convert to fraction form
    74,002.13/102,122.93 = 40,468.13/x
  3. Step 3: Cross multiply
    74,002.13x = 102,122.93 × 40,468.13
  4. Step 4: Simplify right side
    74,002.13x = 4,132,723,597.78
  5. Step 5: Solve for x
    x = 4,132,723,597.78/74,002.13
  6. Step 6: Final answer
    x = 55,846.01

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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.