Home / 110,881.52-166,316.88-40,756.40

Finding the Fourth Proportional to 110,881.52, 166,316.88 and 40,756.40

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Solution

The fourth proportional to 110,881.52, 166,316.88 and 40,756.40 is: 61,132.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,881.52 : 166,316.88 = 40,756.40 : x
  2. Step 2: Convert to fraction form
    110,881.52/166,316.88 = 40,756.40/x
  3. Step 3: Cross multiply
    110,881.52x = 166,316.88 × 40,756.40
  4. Step 4: Simplify right side
    110,881.52x = 6,778,477,288.03
  5. Step 5: Solve for x
    x = 6,778,477,288.03/110,881.52
  6. Step 6: Final answer
    x = 61,132.62

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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.