Home / 93,458.52-128,972.39-51,017.09

Finding the Fourth Proportional to 93,458.52, 128,972.39 and 51,017.09

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Solution

The fourth proportional to 93,458.52, 128,972.39 and 51,017.09 is: 70,403.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,458.52 : 128,972.39 = 51,017.09 : x
  2. Step 2: Convert to fraction form
    93,458.52/128,972.39 = 51,017.09/x
  3. Step 3: Cross multiply
    93,458.52x = 128,972.39 × 51,017.09
  4. Step 4: Simplify right side
    93,458.52x = 6,579,795,128.20
  5. Step 5: Solve for x
    x = 6,579,795,128.20/93,458.52
  6. Step 6: Final answer
    x = 70,403.37

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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.