Home / 69,857.48-96,423.68-45,661.96

Finding the Fourth Proportional to 69,857.48, 96,423.68 and 45,661.96

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Solution

The fourth proportional to 69,857.48, 96,423.68 and 45,661.96 is: 63,026.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,857.48 : 96,423.68 = 45,661.96 : x
  2. Step 2: Convert to fraction form
    69,857.48/96,423.68 = 45,661.96/x
  3. Step 3: Cross multiply
    69,857.48x = 96,423.68 × 45,661.96
  4. Step 4: Simplify right side
    69,857.48x = 4,402,894,219.21
  5. Step 5: Solve for x
    x = 4,402,894,219.21/69,857.48
  6. Step 6: Final answer
    x = 63,026.81

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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.