Home / 83,815.48-115,666.20-46,090

Finding the Fourth Proportional to 83,815.48, 115,666.20 and 46,090

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Solution

The fourth proportional to 83,815.48, 115,666.20 and 46,090 is: 63,604.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,815.48 : 115,666.20 = 46,090 : x
  2. Step 2: Convert to fraction form
    83,815.48/115,666.20 = 46,090/x
  3. Step 3: Cross multiply
    83,815.48x = 115,666.20 × 46,090
  4. Step 4: Simplify right side
    83,815.48x = 5,331,055,158
  5. Step 5: Solve for x
    x = 5,331,055,158/83,815.48
  6. Step 6: Final answer
    x = 63,604.66

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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.