Home / 93,046.22-128,401.35-54,291.46

Finding the Fourth Proportional to 93,046.22, 128,401.35 and 54,291.46

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Solution

The fourth proportional to 93,046.22, 128,401.35 and 54,291.46 is: 74,920.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,046.22 : 128,401.35 = 54,291.46 : x
  2. Step 2: Convert to fraction form
    93,046.22/128,401.35 = 54,291.46/x
  3. Step 3: Cross multiply
    93,046.22x = 128,401.35 × 54,291.46
  4. Step 4: Simplify right side
    93,046.22x = 6,971,096,115.46
  5. Step 5: Solve for x
    x = 6,971,096,115.46/93,046.22
  6. Step 6: Final answer
    x = 74,920.79

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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.