Home / 110,069.15-151,911.48-61,674.35

Finding the Fourth Proportional to 110,069.15, 151,911.48 and 61,674.35

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Solution

The fourth proportional to 110,069.15, 151,911.48 and 61,674.35 is: 85,119.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,069.15 : 151,911.48 = 61,674.35 : x
  2. Step 2: Convert to fraction form
    110,069.15/151,911.48 = 61,674.35/x
  3. Step 3: Cross multiply
    110,069.15x = 151,911.48 × 61,674.35
  4. Step 4: Simplify right side
    110,069.15x = 9,369,041,786.54
  5. Step 5: Solve for x
    x = 9,369,041,786.54/110,069.15
  6. Step 6: Final answer
    x = 85,119.60

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.