Home / 103,039.86-154,554.93-60,369.06

Finding the Fourth Proportional to 103,039.86, 154,554.93 and 60,369.06

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Solution

The fourth proportional to 103,039.86, 154,554.93 and 60,369.06 is: 90,550.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,039.86 : 154,554.93 = 60,369.06 : x
  2. Step 2: Convert to fraction form
    103,039.86/154,554.93 = 60,369.06/x
  3. Step 3: Cross multiply
    103,039.86x = 154,554.93 × 60,369.06
  4. Step 4: Simplify right side
    103,039.86x = 9,330,335,842.47
  5. Step 5: Solve for x
    x = 9,330,335,842.47/103,039.86
  6. Step 6: Final answer
    x = 90,550.74

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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.