Home / 74,048.18-102,163.01-45,337.82

Finding the Fourth Proportional to 74,048.18, 102,163.01 and 45,337.82

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Solution

The fourth proportional to 74,048.18, 102,163.01 and 45,337.82 is: 62,551.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,048.18 : 102,163.01 = 45,337.82 : x
  2. Step 2: Convert to fraction form
    74,048.18/102,163.01 = 45,337.82/x
  3. Step 3: Cross multiply
    74,048.18x = 102,163.01 × 45,337.82
  4. Step 4: Simplify right side
    74,048.18x = 4,631,847,420.53
  5. Step 5: Solve for x
    x = 4,631,847,420.53/74,048.18
  6. Step 6: Final answer
    x = 62,551.81

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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.