Home / 103,416.07-155,085.80-36,838.51

Finding the Fourth Proportional to 103,416.07, 155,085.80 and 36,838.51

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Solution

The fourth proportional to 103,416.07, 155,085.80 and 36,838.51 is: 55,244.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,416.07 : 155,085.80 = 36,838.51 : x
  2. Step 2: Convert to fraction form
    103,416.07/155,085.80 = 36,838.51/x
  3. Step 3: Cross multiply
    103,416.07x = 155,085.80 × 36,838.51
  4. Step 4: Simplify right side
    103,416.07x = 5,713,129,609.97
  5. Step 5: Solve for x
    x = 5,713,129,609.97/103,416.07
  6. Step 6: Final answer
    x = 55,244.12

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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.