Home / 45,020.64-62,120.88-27,111.36

Finding the Fourth Proportional to 45,020.64, 62,120.88 and 27,111.36

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Solution

The fourth proportional to 45,020.64, 62,120.88 and 27,111.36 is: 37,409.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,020.64 : 62,120.88 = 27,111.36 : x
  2. Step 2: Convert to fraction form
    45,020.64/62,120.88 = 27,111.36/x
  3. Step 3: Cross multiply
    45,020.64x = 62,120.88 × 27,111.36
  4. Step 4: Simplify right side
    45,020.64x = 1,684,181,541.20
  5. Step 5: Solve for x
    x = 1,684,181,541.20/45,020.64
  6. Step 6: Final answer
    x = 37,409.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.