Home / 92,024.25-138,068.78-45,309.93

Finding the Fourth Proportional to 92,024.25, 138,068.78 and 45,309.93

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Solution

The fourth proportional to 92,024.25, 138,068.78 and 45,309.93 is: 67,980.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,024.25 : 138,068.78 = 45,309.93 : x
  2. Step 2: Convert to fraction form
    92,024.25/138,068.78 = 45,309.93/x
  3. Step 3: Cross multiply
    92,024.25x = 138,068.78 × 45,309.93
  4. Step 4: Simplify right side
    92,024.25x = 6,255,886,530.44
  5. Step 5: Solve for x
    x = 6,255,886,530.44/92,024.25
  6. Step 6: Final answer
    x = 67,980.85

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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.