Home / 86,224.51-118,990.61-47,985.67

Finding the Fourth Proportional to 86,224.51, 118,990.61 and 47,985.67

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Solution

The fourth proportional to 86,224.51, 118,990.61 and 47,985.67 is: 66,220.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,224.51 : 118,990.61 = 47,985.67 : x
  2. Step 2: Convert to fraction form
    86,224.51/118,990.61 = 47,985.67/x
  3. Step 3: Cross multiply
    86,224.51x = 118,990.61 × 47,985.67
  4. Step 4: Simplify right side
    86,224.51x = 5,709,844,144.56
  5. Step 5: Solve for x
    x = 5,709,844,144.56/86,224.51
  6. Step 6: Final answer
    x = 66,220.66

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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.