Home / 74,211.93-102,415.79-52,724.66

Finding the Fourth Proportional to 74,211.93, 102,415.79 and 52,724.66

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Solution

The fourth proportional to 74,211.93, 102,415.79 and 52,724.66 is: 72,762.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,211.93 : 102,415.79 = 52,724.66 : x
  2. Step 2: Convert to fraction form
    74,211.93/102,415.79 = 52,724.66/x
  3. Step 3: Cross multiply
    74,211.93x = 102,415.79 × 52,724.66
  4. Step 4: Simplify right side
    74,211.93x = 5,399,837,326.11
  5. Step 5: Solve for x
    x = 5,399,837,326.11/74,211.93
  6. Step 6: Final answer
    x = 72,762.39

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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.