Home / 85,539.30-118,039.50-47,296.62

Finding the Fourth Proportional to 85,539.30, 118,039.50 and 47,296.62

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Solution

The fourth proportional to 85,539.30, 118,039.50 and 47,296.62 is: 65,266.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,539.30 : 118,039.50 = 47,296.62 : x
  2. Step 2: Convert to fraction form
    85,539.30/118,039.50 = 47,296.62/x
  3. Step 3: Cross multiply
    85,539.30x = 118,039.50 × 47,296.62
  4. Step 4: Simplify right side
    85,539.30x = 5,582,869,376.49
  5. Step 5: Solve for x
    x = 5,582,869,376.49/85,539.30
  6. Step 6: Final answer
    x = 65,266.72

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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.