Home / 54,779.76-75,598.34-30,906.34

Finding the Fourth Proportional to 54,779.76, 75,598.34 and 30,906.34

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Solution

The fourth proportional to 54,779.76, 75,598.34 and 30,906.34 is: 42,652.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,779.76 : 75,598.34 = 30,906.34 : x
  2. Step 2: Convert to fraction form
    54,779.76/75,598.34 = 30,906.34/x
  3. Step 3: Cross multiply
    54,779.76x = 75,598.34 × 30,906.34
  4. Step 4: Simplify right side
    54,779.76x = 2,336,467,999.48
  5. Step 5: Solve for x
    x = 2,336,467,999.48/54,779.76
  6. Step 6: Final answer
    x = 42,652.03

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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.