Home / 74,184.15-102,369.28-47,323.78

Finding the Fourth Proportional to 74,184.15, 102,369.28 and 47,323.78

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Solution

The fourth proportional to 74,184.15, 102,369.28 and 47,323.78 is: 65,303.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,184.15 : 102,369.28 = 47,323.78 : x
  2. Step 2: Convert to fraction form
    74,184.15/102,369.28 = 47,323.78/x
  3. Step 3: Cross multiply
    74,184.15x = 102,369.28 × 47,323.78
  4. Step 4: Simplify right side
    74,184.15x = 4,844,501,000.33
  5. Step 5: Solve for x
    x = 4,844,501,000.33/74,184.15
  6. Step 6: Final answer
    x = 65,303.72

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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.