Home / 93,103.65-138,881.09-84,135.33

Finding the Fourth Proportional to 93,103.65, 138,881.09 and 84,135.33

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Solution

The fourth proportional to 93,103.65, 138,881.09 and 84,135.33 is: 125,503.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,103.65 : 138,881.09 = 84,135.33 : x
  2. Step 2: Convert to fraction form
    93,103.65/138,881.09 = 84,135.33/x
  3. Step 3: Cross multiply
    93,103.65x = 138,881.09 × 84,135.33
  4. Step 4: Simplify right side
    93,103.65x = 11,684,806,548.25
  5. Step 5: Solve for x
    x = 11,684,806,548.25/93,103.65
  6. Step 6: Final answer
    x = 125,503.21

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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.