Home / 55,028.08-75,938.88-29,877.04

Finding the Fourth Proportional to 55,028.08, 75,938.88 and 29,877.04

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Solution

The fourth proportional to 55,028.08, 75,938.88 and 29,877.04 is: 41,230.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,028.08 : 75,938.88 = 29,877.04 : x
  2. Step 2: Convert to fraction form
    55,028.08/75,938.88 = 29,877.04/x
  3. Step 3: Cross multiply
    55,028.08x = 75,938.88 × 29,877.04
  4. Step 4: Simplify right side
    55,028.08x = 2,268,828,955.32
  5. Step 5: Solve for x
    x = 2,268,828,955.32/55,028.08
  6. Step 6: Final answer
    x = 41,230.39

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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.