Home / 93,939.63-129,636.68-51,498.46

Finding the Fourth Proportional to 93,939.63, 129,636.68 and 51,498.46

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Solution

The fourth proportional to 93,939.63, 129,636.68 and 51,498.46 is: 71,067.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,939.63 : 129,636.68 = 51,498.46 : x
  2. Step 2: Convert to fraction form
    93,939.63/129,636.68 = 51,498.46/x
  3. Step 3: Cross multiply
    93,939.63x = 129,636.68 × 51,498.46
  4. Step 4: Simplify right side
    93,939.63x = 6,676,089,379.51
  5. Step 5: Solve for x
    x = 6,676,089,379.51/93,939.63
  6. Step 6: Final answer
    x = 71,067.87

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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.