Home / 85,986.23-118,668.44-47,753.15

Finding the Fourth Proportional to 85,986.23, 118,668.44 and 47,753.15

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Solution

The fourth proportional to 85,986.23, 118,668.44 and 47,753.15 is: 65,903.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,986.23 : 118,668.44 = 47,753.15 : x
  2. Step 2: Convert to fraction form
    85,986.23/118,668.44 = 47,753.15/x
  3. Step 3: Cross multiply
    85,986.23x = 118,668.44 × 47,753.15
  4. Step 4: Simplify right side
    85,986.23x = 5,666,791,341.63
  5. Step 5: Solve for x
    x = 5,666,791,341.63/85,986.23
  6. Step 6: Final answer
    x = 65,903.48

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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.