Home / 104,749.12-157,089.66-45,567.28

Finding the Fourth Proportional to 104,749.12, 157,089.66 and 45,567.28

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Solution

The fourth proportional to 104,749.12, 157,089.66 and 45,567.28 is: 68,336.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,749.12 : 157,089.66 = 45,567.28 : x
  2. Step 2: Convert to fraction form
    104,749.12/157,089.66 = 45,567.28/x
  3. Step 3: Cross multiply
    104,749.12x = 157,089.66 × 45,567.28
  4. Step 4: Simplify right side
    104,749.12x = 7,158,148,522.32
  5. Step 5: Solve for x
    x = 7,158,148,522.32/104,749.12
  6. Step 6: Final answer
    x = 68,336.12

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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.