Home / 109,973.46-164,904.83-53,729.29

Finding the Fourth Proportional to 109,973.46, 164,904.83 and 53,729.29

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Solution

The fourth proportional to 109,973.46, 164,904.83 and 53,729.29 is: 80,566.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,973.46 : 164,904.83 = 53,729.29 : x
  2. Step 2: Convert to fraction form
    109,973.46/164,904.83 = 53,729.29/x
  3. Step 3: Cross multiply
    109,973.46x = 164,904.83 × 53,729.29
  4. Step 4: Simplify right side
    109,973.46x = 8,860,219,433.47
  5. Step 5: Solve for x
    x = 8,860,219,433.47/109,973.46
  6. Step 6: Final answer
    x = 80,566.89

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1.5x scale

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.