Home / 104,905.42-157,387.33-45,746.30

Finding the Fourth Proportional to 104,905.42, 157,387.33 and 45,746.30

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Solution

The fourth proportional to 104,905.42, 157,387.33 and 45,746.30 is: 68,632.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,905.42 : 157,387.33 = 45,746.30 : x
  2. Step 2: Convert to fraction form
    104,905.42/157,387.33 = 45,746.30/x
  3. Step 3: Cross multiply
    104,905.42x = 157,387.33 × 45,746.30
  4. Step 4: Simplify right side
    104,905.42x = 7,199,888,014.38
  5. Step 5: Solve for x
    x = 7,199,888,014.38/104,905.42
  6. Step 6: Final answer
    x = 68,632.18

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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.