Home / 104,973.16-157,401.92-71,730.76

Finding the Fourth Proportional to 104,973.16, 157,401.92 and 71,730.76

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Solution

The fourth proportional to 104,973.16, 157,401.92 and 71,730.76 is: 107,556.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,973.16 : 157,401.92 = 71,730.76 : x
  2. Step 2: Convert to fraction form
    104,973.16/157,401.92 = 71,730.76/x
  3. Step 3: Cross multiply
    104,973.16x = 157,401.92 × 71,730.76
  4. Step 4: Simplify right side
    104,973.16x = 11,290,559,347.06
  5. Step 5: Solve for x
    x = 11,290,559,347.06/104,973.16
  6. Step 6: Final answer
    x = 107,556.63

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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.