Home / 104,909.42-157,393.33-45,750.30

Finding the Fourth Proportional to 104,909.42, 157,393.33 and 45,750.30

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Solution

The fourth proportional to 104,909.42, 157,393.33 and 45,750.30 is: 68,638.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,909.42 : 157,393.33 = 45,750.30 : x
  2. Step 2: Convert to fraction form
    104,909.42/157,393.33 = 45,750.30/x
  3. Step 3: Cross multiply
    104,909.42x = 157,393.33 × 45,750.30
  4. Step 4: Simplify right side
    104,909.42x = 7,200,792,065.50
  5. Step 5: Solve for x
    x = 7,200,792,065.50/104,909.42
  6. Step 6: Final answer
    x = 68,638.18

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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.