Home / 93,881.66-129,513.26-83,137.48

Finding the Fourth Proportional to 93,881.66, 129,513.26 and 83,137.48

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Solution

The fourth proportional to 93,881.66, 129,513.26 and 83,137.48 is: 114,691.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,881.66 : 129,513.26 = 83,137.48 : x
  2. Step 2: Convert to fraction form
    93,881.66/129,513.26 = 83,137.48/x
  3. Step 3: Cross multiply
    93,881.66x = 129,513.26 × 83,137.48
  4. Step 4: Simplify right side
    93,881.66x = 10,767,406,062.98
  5. Step 5: Solve for x
    x = 10,767,406,062.98/93,881.66
  6. Step 6: Final answer
    x = 114,691.26

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.