Home / 77,316.48-116,014.08-30,608.64

Finding the Fourth Proportional to 77,316.48, 116,014.08 and 30,608.64

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Solution

The fourth proportional to 77,316.48, 116,014.08 and 30,608.64 is: 45,928.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,316.48 : 116,014.08 = 30,608.64 : x
  2. Step 2: Convert to fraction form
    77,316.48/116,014.08 = 30,608.64/x
  3. Step 3: Cross multiply
    77,316.48x = 116,014.08 × 30,608.64
  4. Step 4: Simplify right side
    77,316.48x = 3,551,033,209.65
  5. Step 5: Solve for x
    x = 3,551,033,209.65/77,316.48
  6. Step 6: Final answer
    x = 45,928.54

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.