Home / 105,307.13-157,751.73-49,069.79

Finding the Fourth Proportional to 105,307.13, 157,751.73 and 49,069.79

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Solution

The fourth proportional to 105,307.13, 157,751.73 and 49,069.79 is: 73,507.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,307.13 : 157,751.73 = 49,069.79 : x
  2. Step 2: Convert to fraction form
    105,307.13/157,751.73 = 49,069.79/x
  3. Step 3: Cross multiply
    105,307.13x = 157,751.73 × 49,069.79
  4. Step 4: Simplify right side
    105,307.13x = 7,740,843,706.20
  5. Step 5: Solve for x
    x = 7,740,843,706.20/105,307.13
  6. Step 6: Final answer
    x = 73,507.31

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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.