Home / 84,543.18-116,664.92-46,815

Finding the Fourth Proportional to 84,543.18, 116,664.92 and 46,815

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Solution

The fourth proportional to 84,543.18, 116,664.92 and 46,815 is: 64,602.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,543.18 : 116,664.92 = 46,815 : x
  2. Step 2: Convert to fraction form
    84,543.18/116,664.92 = 46,815/x
  3. Step 3: Cross multiply
    84,543.18x = 116,664.92 × 46,815
  4. Step 4: Simplify right side
    84,543.18x = 5,461,668,229.80
  5. Step 5: Solve for x
    x = 5,461,668,229.80/84,543.18
  6. Step 6: Final answer
    x = 64,602.11

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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.