Home / 93,042.56-128,333.68-61,201.28

Finding the Fourth Proportional to 93,042.56, 128,333.68 and 61,201.28

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Solution

The fourth proportional to 93,042.56, 128,333.68 and 61,201.28 is: 84,414.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,042.56 : 128,333.68 = 61,201.28 : x
  2. Step 2: Convert to fraction form
    93,042.56/128,333.68 = 61,201.28/x
  3. Step 3: Cross multiply
    93,042.56x = 128,333.68 × 61,201.28
  4. Step 4: Simplify right side
    93,042.56x = 7,854,185,483.11
  5. Step 5: Solve for x
    x = 7,854,185,483.11/93,042.56
  6. Step 6: Final answer
    x = 84,414.98

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1.5x scale

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.