Home / 75,779.18-113,673.34-23,189.12

Finding the Fourth Proportional to 75,779.18, 113,673.34 and 23,189.12

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Solution

The fourth proportional to 75,779.18, 113,673.34 and 23,189.12 is: 34,785.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,779.18 : 113,673.34 = 23,189.12 : x
  2. Step 2: Convert to fraction form
    75,779.18/113,673.34 = 23,189.12/x
  3. Step 3: Cross multiply
    75,779.18x = 113,673.34 × 23,189.12
  4. Step 4: Simplify right side
    75,779.18x = 2,635,984,722.06
  5. Step 5: Solve for x
    x = 2,635,984,722.06/75,779.18
  6. Step 6: Final answer
    x = 34,785.08

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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.