Home / 86,035.26-118,828.01-57,307.60

Finding the Fourth Proportional to 86,035.26, 118,828.01 and 57,307.60

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Solution

The fourth proportional to 86,035.26, 118,828.01 and 57,307.60 is: 79,150.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,035.26 : 118,828.01 = 57,307.60 : x
  2. Step 2: Convert to fraction form
    86,035.26/118,828.01 = 57,307.60/x
  3. Step 3: Cross multiply
    86,035.26x = 118,828.01 × 57,307.60
  4. Step 4: Simplify right side
    86,035.26x = 6,809,748,357.68
  5. Step 5: Solve for x
    x = 6,809,748,357.68/86,035.26
  6. Step 6: Final answer
    x = 79,150.67

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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.