Home / 93,939.66-129,635.64-51,498.18

Finding the Fourth Proportional to 93,939.66, 129,635.64 and 51,498.18

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Solution

The fourth proportional to 93,939.66, 129,635.64 and 51,498.18 is: 71,066.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,939.66 : 129,635.64 = 51,498.18 : x
  2. Step 2: Convert to fraction form
    93,939.66/129,635.64 = 51,498.18/x
  3. Step 3: Cross multiply
    93,939.66x = 129,635.64 × 51,498.18
  4. Step 4: Simplify right side
    93,939.66x = 6,675,999,523.14
  5. Step 5: Solve for x
    x = 6,675,999,523.14/93,939.66
  6. Step 6: Final answer
    x = 71,066.89

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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.