Home / 86,779.63-119,766.98-48,541.30

Finding the Fourth Proportional to 86,779.63, 119,766.98 and 48,541.30

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Solution

The fourth proportional to 86,779.63, 119,766.98 and 48,541.30 is: 66,993.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,779.63 : 119,766.98 = 48,541.30 : x
  2. Step 2: Convert to fraction form
    86,779.63/119,766.98 = 48,541.30/x
  3. Step 3: Cross multiply
    86,779.63x = 119,766.98 × 48,541.30
  4. Step 4: Simplify right side
    86,779.63x = 5,813,644,928.53
  5. Step 5: Solve for x
    x = 5,813,644,928.53/86,779.63
  6. Step 6: Final answer
    x = 66,993.20

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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.