Home / 86,054.46-118,756.68-47,817.54

Finding the Fourth Proportional to 86,054.46, 118,756.68 and 47,817.54

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Solution

The fourth proportional to 86,054.46, 118,756.68 and 47,817.54 is: 65,989.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,054.46 : 118,756.68 = 47,817.54 : x
  2. Step 2: Convert to fraction form
    86,054.46/118,756.68 = 47,817.54/x
  3. Step 3: Cross multiply
    86,054.46x = 118,756.68 × 47,817.54
  4. Step 4: Simplify right side
    86,054.46x = 5,678,652,296.17
  5. Step 5: Solve for x
    x = 5,678,652,296.17/86,054.46
  6. Step 6: Final answer
    x = 65,989.05

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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.