Home / 84,683.12-116,858.75-48,884.67

Finding the Fourth Proportional to 84,683.12, 116,858.75 and 48,884.67

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Solution

The fourth proportional to 84,683.12, 116,858.75 and 48,884.67 is: 67,458.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,683.12 : 116,858.75 = 48,884.67 : x
  2. Step 2: Convert to fraction form
    84,683.12/116,858.75 = 48,884.67/x
  3. Step 3: Cross multiply
    84,683.12x = 116,858.75 × 48,884.67
  4. Step 4: Simplify right side
    84,683.12x = 5,712,601,430.36
  5. Step 5: Solve for x
    x = 5,712,601,430.36/84,683.12
  6. Step 6: Final answer
    x = 67,458.56

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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.