Home / 80,592.40-111,212.04-44,779.60

Finding the Fourth Proportional to 80,592.40, 111,212.04 and 44,779.60

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Solution

The fourth proportional to 80,592.40, 111,212.04 and 44,779.60 is: 61,792.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,592.40 : 111,212.04 = 44,779.60 : x
  2. Step 2: Convert to fraction form
    80,592.40/111,212.04 = 44,779.60/x
  3. Step 3: Cross multiply
    80,592.40x = 111,212.04 × 44,779.60
  4. Step 4: Simplify right side
    80,592.40x = 4,980,030,666.38
  5. Step 5: Solve for x
    x = 4,980,030,666.38/80,592.40
  6. Step 6: Final answer
    x = 61,792.81

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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.