Home / 98,081.93-134,928.32-85,927.67

Finding the Fourth Proportional to 98,081.93, 134,928.32 and 85,927.67

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Solution

The fourth proportional to 98,081.93, 134,928.32 and 85,927.67 is: 118,208.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,081.93 : 134,928.32 = 85,927.67 : x
  2. Step 2: Convert to fraction form
    98,081.93/134,928.32 = 85,927.67/x
  3. Step 3: Cross multiply
    98,081.93x = 134,928.32 × 85,927.67
  4. Step 4: Simplify right side
    98,081.93x = 11,594,075,050.33
  5. Step 5: Solve for x
    x = 11,594,075,050.33/98,081.93
  6. Step 6: Final answer
    x = 118,208.07

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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.