Home / 74,976.39-103,426.47-48,088.98

Finding the Fourth Proportional to 74,976.39, 103,426.47 and 48,088.98

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Solution

The fourth proportional to 74,976.39, 103,426.47 and 48,088.98 is: 66,336.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,976.39 : 103,426.47 = 48,088.98 : x
  2. Step 2: Convert to fraction form
    74,976.39/103,426.47 = 48,088.98/x
  3. Step 3: Cross multiply
    74,976.39x = 103,426.47 × 48,088.98
  4. Step 4: Simplify right side
    74,976.39x = 4,973,673,447.30
  5. Step 5: Solve for x
    x = 4,973,673,447.30/74,976.39
  6. Step 6: Final answer
    x = 66,336.53

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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.