Home / 83,144.12-124,683.81-26,970.64

Finding the Fourth Proportional to 83,144.12, 124,683.81 and 26,970.64

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Solution

The fourth proportional to 83,144.12, 124,683.81 and 26,970.64 is: 40,445.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,144.12 : 124,683.81 = 26,970.64 : x
  2. Step 2: Convert to fraction form
    83,144.12/124,683.81 = 26,970.64/x
  3. Step 3: Cross multiply
    83,144.12x = 124,683.81 × 26,970.64
  4. Step 4: Simplify right side
    83,144.12x = 3,362,801,892.20
  5. Step 5: Solve for x
    x = 3,362,801,892.20/83,144.12
  6. Step 6: Final answer
    x = 40,445.46

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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.