Home / 74,779.20-112,166.37-30,394.04

Finding the Fourth Proportional to 74,779.20, 112,166.37 and 30,394.04

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Solution

The fourth proportional to 74,779.20, 112,166.37 and 30,394.04 is: 45,590.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,779.20 : 112,166.37 = 30,394.04 : x
  2. Step 2: Convert to fraction form
    74,779.20/112,166.37 = 30,394.04/x
  3. Step 3: Cross multiply
    74,779.20x = 112,166.37 × 30,394.04
  4. Step 4: Simplify right side
    74,779.20x = 3,409,188,575.60
  5. Step 5: Solve for x
    x = 3,409,188,575.60/74,779.20
  6. Step 6: Final answer
    x = 45,590.06

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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.