Home / 105,415.24-158,174.80-49,259.22

Finding the Fourth Proportional to 105,415.24, 158,174.80 and 49,259.22

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Solution

The fourth proportional to 105,415.24, 158,174.80 and 49,259.22 is: 73,913.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,415.24 : 158,174.80 = 49,259.22 : x
  2. Step 2: Convert to fraction form
    105,415.24/158,174.80 = 49,259.22/x
  3. Step 3: Cross multiply
    105,415.24x = 158,174.80 × 49,259.22
  4. Step 4: Simplify right side
    105,415.24x = 7,791,567,271.66
  5. Step 5: Solve for x
    x = 7,791,567,271.66/105,415.24
  6. Step 6: Final answer
    x = 73,913.10

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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.