Home / 86,048.64-118,749.78-48,323.70

Finding the Fourth Proportional to 86,048.64, 118,749.78 and 48,323.70

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Solution

The fourth proportional to 86,048.64, 118,749.78 and 48,323.70 is: 66,688.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,048.64 : 118,749.78 = 48,323.70 : x
  2. Step 2: Convert to fraction form
    86,048.64/118,749.78 = 48,323.70/x
  3. Step 3: Cross multiply
    86,048.64x = 118,749.78 × 48,323.70
  4. Step 4: Simplify right side
    86,048.64x = 5,738,428,743.79
  5. Step 5: Solve for x
    x = 5,738,428,743.79/86,048.64
  6. Step 6: Final answer
    x = 66,688.20

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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.