Home / 55,025.58-75,765.27-42,974.74

Finding the Fourth Proportional to 55,025.58, 75,765.27 and 42,974.74

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Solution

The fourth proportional to 55,025.58, 75,765.27 and 42,974.74 is: 59,172.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,025.58 : 75,765.27 = 42,974.74 : x
  2. Step 2: Convert to fraction form
    55,025.58/75,765.27 = 42,974.74/x
  3. Step 3: Cross multiply
    55,025.58x = 75,765.27 × 42,974.74
  4. Step 4: Simplify right side
    55,025.58x = 3,255,992,779.28
  5. Step 5: Solve for x
    x = 3,255,992,779.28/55,025.58
  6. Step 6: Final answer
    x = 59,172.35

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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.