Home / 82,840.10-124,260.15-27,436.10

Finding the Fourth Proportional to 82,840.10, 124,260.15 and 27,436.10

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Solution

The fourth proportional to 82,840.10, 124,260.15 and 27,436.10 is: 41,154.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,840.10 : 124,260.15 = 27,436.10 : x
  2. Step 2: Convert to fraction form
    82,840.10/124,260.15 = 27,436.10/x
  3. Step 3: Cross multiply
    82,840.10x = 124,260.15 × 27,436.10
  4. Step 4: Simplify right side
    82,840.10x = 3,409,213,901.42
  5. Step 5: Solve for x
    x = 3,409,213,901.42/82,840.10
  6. Step 6: Final answer
    x = 41,154.15

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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.