Home / 109,812.90-164,727.45-39,683.10

Finding the Fourth Proportional to 109,812.90, 164,727.45 and 39,683.10

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Solution

The fourth proportional to 109,812.90, 164,727.45 and 39,683.10 is: 59,527.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,812.90 : 164,727.45 = 39,683.10 : x
  2. Step 2: Convert to fraction form
    109,812.90/164,727.45 = 39,683.10/x
  3. Step 3: Cross multiply
    109,812.90x = 164,727.45 × 39,683.10
  4. Step 4: Simplify right side
    109,812.90x = 6,536,895,871.10
  5. Step 5: Solve for x
    x = 6,536,895,871.10/109,812.90
  6. Step 6: Final answer
    x = 59,527.58

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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.