Home / 62,779.36-86,635.92-34,484.80

Finding the Fourth Proportional to 62,779.36, 86,635.92 and 34,484.80

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Solution

The fourth proportional to 62,779.36, 86,635.92 and 34,484.80 is: 47,589.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,779.36 : 86,635.92 = 34,484.80 : x
  2. Step 2: Convert to fraction form
    62,779.36/86,635.92 = 34,484.80/x
  3. Step 3: Cross multiply
    62,779.36x = 86,635.92 × 34,484.80
  4. Step 4: Simplify right side
    62,779.36x = 2,987,622,374.02
  5. Step 5: Solve for x
    x = 2,987,622,374.02/62,779.36
  6. Step 6: Final answer
    x = 47,589.25

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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.