Home / 74,048.32-102,184.14-42,227.46

Finding the Fourth Proportional to 74,048.32, 102,184.14 and 42,227.46

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Solution

The fourth proportional to 74,048.32, 102,184.14 and 42,227.46 is: 58,272.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,048.32 : 102,184.14 = 42,227.46 : x
  2. Step 2: Convert to fraction form
    74,048.32/102,184.14 = 42,227.46/x
  3. Step 3: Cross multiply
    74,048.32x = 102,184.14 × 42,227.46
  4. Step 4: Simplify right side
    74,048.32x = 4,314,976,684.48
  5. Step 5: Solve for x
    x = 4,314,976,684.48/74,048.32
  6. Step 6: Final answer
    x = 58,272.45

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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.