Home / 83,779.34-125,673.66-27,617.18

Finding the Fourth Proportional to 83,779.34, 125,673.66 and 27,617.18

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Solution

The fourth proportional to 83,779.34, 125,673.66 and 27,617.18 is: 41,427.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,779.34 : 125,673.66 = 27,617.18 : x
  2. Step 2: Convert to fraction form
    83,779.34/125,673.66 = 27,617.18/x
  3. Step 3: Cross multiply
    83,779.34x = 125,673.66 × 27,617.18
  4. Step 4: Simplify right side
    83,779.34x = 3,470,751,461.11
  5. Step 5: Solve for x
    x = 3,470,751,461.11/83,779.34
  6. Step 6: Final answer
    x = 41,427.30

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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.