Home / 109,709.40-164,450.70-59,683.80

Finding the Fourth Proportional to 109,709.40, 164,450.70 and 59,683.80

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Solution

The fourth proportional to 109,709.40, 164,450.70 and 59,683.80 is: 89,464.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,709.40 : 164,450.70 = 59,683.80 : x
  2. Step 2: Convert to fraction form
    109,709.40/164,450.70 = 59,683.80/x
  3. Step 3: Cross multiply
    109,709.40x = 164,450.70 × 59,683.80
  4. Step 4: Simplify right side
    109,709.40x = 9,815,042,688.66
  5. Step 5: Solve for x
    x = 9,815,042,688.66/109,709.40
  6. Step 6: Final answer
    x = 89,464.01

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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.