Home / 102,386.91-153,569.98-27,497.32

Finding the Fourth Proportional to 102,386.91, 153,569.98 and 27,497.32

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Solution

The fourth proportional to 102,386.91, 153,569.98 and 27,497.32 is: 41,243.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,386.91 : 153,569.98 = 27,497.32 : x
  2. Step 2: Convert to fraction form
    102,386.91/153,569.98 = 27,497.32/x
  3. Step 3: Cross multiply
    102,386.91x = 153,569.98 × 27,497.32
  4. Step 4: Simplify right side
    102,386.91x = 4,222,763,108.79
  5. Step 5: Solve for x
    x = 4,222,763,108.79/102,386.91
  6. Step 6: Final answer
    x = 41,243.19

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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.