Home / 120,599.64-180,908.10-31,852.26

Finding the Fourth Proportional to 120,599.64, 180,908.10 and 31,852.26

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Solution

The fourth proportional to 120,599.64, 180,908.10 and 31,852.26 is: 47,780.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,599.64 : 180,908.10 = 31,852.26 : x
  2. Step 2: Convert to fraction form
    120,599.64/180,908.10 = 31,852.26/x
  3. Step 3: Cross multiply
    120,599.64x = 180,908.10 × 31,852.26
  4. Step 4: Simplify right side
    120,599.64x = 5,762,331,837.31
  5. Step 5: Solve for x
    x = 5,762,331,837.31/120,599.64
  6. Step 6: Final answer
    x = 47,780.67

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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.