Home / 86,621.75-119,538.02-46,877.75

Finding the Fourth Proportional to 86,621.75, 119,538.02 and 46,877.75

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Solution

The fourth proportional to 86,621.75, 119,538.02 and 46,877.75 is: 64,691.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,621.75 : 119,538.02 = 46,877.75 : x
  2. Step 2: Convert to fraction form
    86,621.75/119,538.02 = 46,877.75/x
  3. Step 3: Cross multiply
    86,621.75x = 119,538.02 × 46,877.75
  4. Step 4: Simplify right side
    86,621.75x = 5,603,673,182.67
  5. Step 5: Solve for x
    x = 5,603,673,182.67/86,621.75
  6. Step 6: Final answer
    x = 64,691.30

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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.