Home / 109,899.90-151,683.96-64,592.52

Finding the Fourth Proportional to 109,899.90, 151,683.96 and 64,592.52

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Solution

The fourth proportional to 109,899.90, 151,683.96 and 64,592.52 is: 89,150.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,899.90 : 151,683.96 = 64,592.52 : x
  2. Step 2: Convert to fraction form
    109,899.90/151,683.96 = 64,592.52/x
  3. Step 3: Cross multiply
    109,899.90x = 151,683.96 × 64,592.52
  4. Step 4: Simplify right side
    109,899.90x = 9,797,649,219.98
  5. Step 5: Solve for x
    x = 9,797,649,219.98/109,899.90
  6. Step 6: Final answer
    x = 89,150.67

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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.