Home / 84,389.72-116,457.62-48,566.68

Finding the Fourth Proportional to 84,389.72, 116,457.62 and 48,566.68

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Solution

The fourth proportional to 84,389.72, 116,457.62 and 48,566.68 is: 67,021.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,389.72 : 116,457.62 = 48,566.68 : x
  2. Step 2: Convert to fraction form
    84,389.72/116,457.62 = 48,566.68/x
  3. Step 3: Cross multiply
    84,389.72x = 116,457.62 × 48,566.68
  4. Step 4: Simplify right side
    84,389.72x = 5,655,959,964.10
  5. Step 5: Solve for x
    x = 5,655,959,964.10/84,389.72
  6. Step 6: Final answer
    x = 67,021.91

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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.