Home / 105,089.09-157,577.97-45,855.59

Finding the Fourth Proportional to 105,089.09, 157,577.97 and 45,855.59

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Solution

The fourth proportional to 105,089.09, 157,577.97 and 45,855.59 is: 68,759.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,089.09 : 157,577.97 = 45,855.59 : x
  2. Step 2: Convert to fraction form
    105,089.09/157,577.97 = 45,855.59/x
  3. Step 3: Cross multiply
    105,089.09x = 157,577.97 × 45,855.59
  4. Step 4: Simplify right side
    105,089.09x = 7,225,830,785.35
  5. Step 5: Solve for x
    x = 7,225,830,785.35/105,089.09
  6. Step 6: Final answer
    x = 68,759.10

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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.