Home / 74,054.10-102,197.37-42,222.66

Finding the Fourth Proportional to 74,054.10, 102,197.37 and 42,222.66

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Solution

The fourth proportional to 74,054.10, 102,197.37 and 42,222.66 is: 58,268.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,054.10 : 102,197.37 = 42,222.66 : x
  2. Step 2: Convert to fraction form
    74,054.10/102,197.37 = 42,222.66/x
  3. Step 3: Cross multiply
    74,054.10x = 102,197.37 × 42,222.66
  4. Step 4: Simplify right side
    74,054.10x = 4,315,044,806.40
  5. Step 5: Solve for x
    x = 4,315,044,806.40/74,054.10
  6. Step 6: Final answer
    x = 58,268.82

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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.