Home / 85,277.48-117,690.98-48,984.01

Finding the Fourth Proportional to 85,277.48, 117,690.98 and 48,984.01

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Solution

The fourth proportional to 85,277.48, 117,690.98 and 48,984.01 is: 67,602.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,277.48 : 117,690.98 = 48,984.01 : x
  2. Step 2: Convert to fraction form
    85,277.48/117,690.98 = 48,984.01/x
  3. Step 3: Cross multiply
    85,277.48x = 117,690.98 × 48,984.01
  4. Step 4: Simplify right side
    85,277.48x = 5,764,975,602.08
  5. Step 5: Solve for x
    x = 5,764,975,602.08/85,277.48
  6. Step 6: Final answer
    x = 67,602.56

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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.