Home / 86,225.51-118,991.99-47,986.67

Finding the Fourth Proportional to 86,225.51, 118,991.99 and 47,986.67

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Solution

The fourth proportional to 86,225.51, 118,991.99 and 47,986.67 is: 66,222.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,225.51 : 118,991.99 = 47,986.67 : x
  2. Step 2: Convert to fraction form
    86,225.51/118,991.99 = 47,986.67/x
  3. Step 3: Cross multiply
    86,225.51x = 118,991.99 × 47,986.67
  4. Step 4: Simplify right side
    86,225.51x = 5,710,029,356.77
  5. Step 5: Solve for x
    x = 5,710,029,356.77/86,225.51
  6. Step 6: Final answer
    x = 66,222.04

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1.5x scale

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.