Home / 92,378.47-138,570.29-30,048.97

Finding the Fourth Proportional to 92,378.47, 138,570.29 and 30,048.97

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Solution

The fourth proportional to 92,378.47, 138,570.29 and 30,048.97 is: 45,074.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,378.47 : 138,570.29 = 30,048.97 : x
  2. Step 2: Convert to fraction form
    92,378.47/138,570.29 = 30,048.97/x
  3. Step 3: Cross multiply
    92,378.47x = 138,570.29 × 30,048.97
  4. Step 4: Simplify right side
    92,378.47x = 4,163,894,336.86
  5. Step 5: Solve for x
    x = 4,163,894,336.86/92,378.47
  6. Step 6: Final answer
    x = 45,074.29

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.