Home / 61,232.30-84,504.36-40,779.30

Finding the Fourth Proportional to 61,232.30, 84,504.36 and 40,779.30

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Solution

The fourth proportional to 61,232.30, 84,504.36 and 40,779.30 is: 56,277.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,232.30 : 84,504.36 = 40,779.30 : x
  2. Step 2: Convert to fraction form
    61,232.30/84,504.36 = 40,779.30/x
  3. Step 3: Cross multiply
    61,232.30x = 84,504.36 × 40,779.30
  4. Step 4: Simplify right side
    61,232.30x = 3,446,028,647.75
  5. Step 5: Solve for x
    x = 3,446,028,647.75/61,232.30
  6. Step 6: Final answer
    x = 56,277.96

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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.