Home / 79,316.16-118,971.12-26,724.48

Finding the Fourth Proportional to 79,316.16, 118,971.12 and 26,724.48

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Solution

The fourth proportional to 79,316.16, 118,971.12 and 26,724.48 is: 40,085.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,316.16 : 118,971.12 = 26,724.48 : x
  2. Step 2: Convert to fraction form
    79,316.16/118,971.12 = 26,724.48/x
  3. Step 3: Cross multiply
    79,316.16x = 118,971.12 × 26,724.48
  4. Step 4: Simplify right side
    79,316.16x = 3,179,441,317.02
  5. Step 5: Solve for x
    x = 3,179,441,317.02/79,316.16
  6. Step 6: Final answer
    x = 40,085.67

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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.