Home / 93,456.33-128,971.50-51,016.38

Finding the Fourth Proportional to 93,456.33, 128,971.50 and 51,016.38

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Solution

The fourth proportional to 93,456.33, 128,971.50 and 51,016.38 is: 70,403.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,456.33 : 128,971.50 = 51,016.38 : x
  2. Step 2: Convert to fraction form
    93,456.33/128,971.50 = 51,016.38/x
  3. Step 3: Cross multiply
    93,456.33x = 128,971.50 × 51,016.38
  4. Step 4: Simplify right side
    93,456.33x = 6,579,659,053.17
  5. Step 5: Solve for x
    x = 6,579,659,053.17/93,456.33
  6. Step 6: Final answer
    x = 70,403.57

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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.