Home / 93,085.51-138,575.38-92,531.92

Finding the Fourth Proportional to 93,085.51, 138,575.38 and 92,531.92

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Solution

The fourth proportional to 93,085.51, 138,575.38 and 92,531.92 is: 137,751.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,085.51 : 138,575.38 = 92,531.92 : x
  2. Step 2: Convert to fraction form
    93,085.51/138,575.38 = 92,531.92/x
  3. Step 3: Cross multiply
    93,085.51x = 138,575.38 × 92,531.92
  4. Step 4: Simplify right side
    93,085.51x = 12,822,645,976.13
  5. Step 5: Solve for x
    x = 12,822,645,976.13/93,085.51
  6. Step 6: Final answer
    x = 137,751.26

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.