Home / 66,886.24-100,346.10-47,203.24

Finding the Fourth Proportional to 66,886.24, 100,346.10 and 47,203.24

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Solution

The fourth proportional to 66,886.24, 100,346.10 and 47,203.24 is: 70,816.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,886.24 : 100,346.10 = 47,203.24 : x
  2. Step 2: Convert to fraction form
    66,886.24/100,346.10 = 47,203.24/x
  3. Step 3: Cross multiply
    66,886.24x = 100,346.10 × 47,203.24
  4. Step 4: Simplify right side
    66,886.24x = 4,736,661,041.36
  5. Step 5: Solve for x
    x = 4,736,661,041.36/66,886.24
  6. Step 6: Final answer
    x = 70,816.67

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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.