Home / 104,686.12-157,025.48-29,806.64

Finding the Fourth Proportional to 104,686.12, 157,025.48 and 29,806.64

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Solution

The fourth proportional to 104,686.12, 157,025.48 and 29,806.64 is: 44,708.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,686.12 : 157,025.48 = 29,806.64 : x
  2. Step 2: Convert to fraction form
    104,686.12/157,025.48 = 29,806.64/x
  3. Step 3: Cross multiply
    104,686.12x = 157,025.48 × 29,806.64
  4. Step 4: Simplify right side
    104,686.12x = 4,680,401,953.19
  5. Step 5: Solve for x
    x = 4,680,401,953.19/104,686.12
  6. Step 6: Final answer
    x = 44,708.91

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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.