Home / 74,263.07-102,456.17-48,783.15

Finding the Fourth Proportional to 74,263.07, 102,456.17 and 48,783.15

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Solution

The fourth proportional to 74,263.07, 102,456.17 and 48,783.15 is: 67,303.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,263.07 : 102,456.17 = 48,783.15 : x
  2. Step 2: Convert to fraction form
    74,263.07/102,456.17 = 48,783.15/x
  3. Step 3: Cross multiply
    74,263.07x = 102,456.17 × 48,783.15
  4. Step 4: Simplify right side
    74,263.07x = 4,998,134,648.56
  5. Step 5: Solve for x
    x = 4,998,134,648.56/74,263.07
  6. Step 6: Final answer
    x = 67,303.10

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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.