Home / 114,895.24-172,342.62-31,789

Finding the Fourth Proportional to 114,895.24, 172,342.62 and 31,789

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Solution

The fourth proportional to 114,895.24, 172,342.62 and 31,789 is: 47,683.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,895.24 : 172,342.62 = 31,789 : x
  2. Step 2: Convert to fraction form
    114,895.24/172,342.62 = 31,789/x
  3. Step 3: Cross multiply
    114,895.24x = 172,342.62 × 31,789
  4. Step 4: Simplify right side
    114,895.24x = 5,478,599,547.18
  5. Step 5: Solve for x
    x = 5,478,599,547.18/114,895.24
  6. Step 6: Final answer
    x = 47,683.43

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.