Home / 93,930.03-128,851.56-88,845.66

Finding the Fourth Proportional to 93,930.03, 128,851.56 and 88,845.66

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Solution

The fourth proportional to 93,930.03, 128,851.56 and 88,845.66 is: 121,876.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,930.03 : 128,851.56 = 88,845.66 : x
  2. Step 2: Convert to fraction form
    93,930.03/128,851.56 = 88,845.66/x
  3. Step 3: Cross multiply
    93,930.03x = 128,851.56 × 88,845.66
  4. Step 4: Simplify right side
    93,930.03x = 11,447,901,890.23
  5. Step 5: Solve for x
    x = 11,447,901,890.23/93,930.03
  6. Step 6: Final answer
    x = 121,876.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.