Home / 84,530.79-116,651.75-48,720.02

Finding the Fourth Proportional to 84,530.79, 116,651.75 and 48,720.02

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Solution

The fourth proportional to 84,530.79, 116,651.75 and 48,720.02 is: 67,233.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,530.79 : 116,651.75 = 48,720.02 : x
  2. Step 2: Convert to fraction form
    84,530.79/116,651.75 = 48,720.02/x
  3. Step 3: Cross multiply
    84,530.79x = 116,651.75 × 48,720.02
  4. Step 4: Simplify right side
    84,530.79x = 5,683,274,766.18
  5. Step 5: Solve for x
    x = 5,683,274,766.18/84,530.79
  6. Step 6: Final answer
    x = 67,233.19

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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.