Home / 85,863.03-128,779.96-22,683.84

Finding the Fourth Proportional to 85,863.03, 128,779.96 and 22,683.84

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Solution

The fourth proportional to 85,863.03, 128,779.96 and 22,683.84 is: 34,021.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,863.03 : 128,779.96 = 22,683.84 : x
  2. Step 2: Convert to fraction form
    85,863.03/128,779.96 = 22,683.84/x
  3. Step 3: Cross multiply
    85,863.03x = 128,779.96 × 22,683.84
  4. Step 4: Simplify right side
    85,863.03x = 2,921,224,007.85
  5. Step 5: Solve for x
    x = 2,921,224,007.85/85,863.03
  6. Step 6: Final answer
    x = 34,021.91

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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.