Home / 84,358.90-116,409.73-48,543.13

Finding the Fourth Proportional to 84,358.90, 116,409.73 and 48,543.13

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Solution

The fourth proportional to 84,358.90, 116,409.73 and 48,543.13 is: 66,986.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,358.90 : 116,409.73 = 48,543.13 : x
  2. Step 2: Convert to fraction form
    84,358.90/116,409.73 = 48,543.13/x
  3. Step 3: Cross multiply
    84,358.90x = 116,409.73 × 48,543.13
  4. Step 4: Simplify right side
    84,358.90x = 5,650,892,656.65
  5. Step 5: Solve for x
    x = 5,650,892,656.65/84,358.90
  6. Step 6: Final answer
    x = 66,986.32

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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.