Home / 74,316.15-102,641.48-48,935.97

Finding the Fourth Proportional to 74,316.15, 102,641.48 and 48,935.97

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Solution

The fourth proportional to 74,316.15, 102,641.48 and 48,935.97 is: 67,587.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,316.15 : 102,641.48 = 48,935.97 : x
  2. Step 2: Convert to fraction form
    74,316.15/102,641.48 = 48,935.97/x
  3. Step 3: Cross multiply
    74,316.15x = 102,641.48 × 48,935.97
  4. Step 4: Simplify right side
    74,316.15x = 5,022,860,141.36
  5. Step 5: Solve for x
    x = 5,022,860,141.36/74,316.15
  6. Step 6: Final answer
    x = 67,587.73

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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.