Home / 92,055.74-138,085.32-28,874.46

Finding the Fourth Proportional to 92,055.74, 138,085.32 and 28,874.46

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Solution

The fourth proportional to 92,055.74, 138,085.32 and 28,874.46 is: 43,312.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,055.74 : 138,085.32 = 28,874.46 : x
  2. Step 2: Convert to fraction form
    92,055.74/138,085.32 = 28,874.46/x
  3. Step 3: Cross multiply
    92,055.74x = 138,085.32 × 28,874.46
  4. Step 4: Simplify right side
    92,055.74x = 3,987,139,048.93
  5. Step 5: Solve for x
    x = 3,987,139,048.93/92,055.74
  6. Step 6: Final answer
    x = 43,312.23

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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.