Home / 90,830.63-136,058.33-53,277.62

Finding the Fourth Proportional to 90,830.63, 136,058.33 and 53,277.62

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Solution

The fourth proportional to 90,830.63, 136,058.33 and 53,277.62 is: 79,806.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,830.63 : 136,058.33 = 53,277.62 : x
  2. Step 2: Convert to fraction form
    90,830.63/136,058.33 = 53,277.62/x
  3. Step 3: Cross multiply
    90,830.63x = 136,058.33 × 53,277.62
  4. Step 4: Simplify right side
    90,830.63x = 7,248,863,456.48
  5. Step 5: Solve for x
    x = 7,248,863,456.48/90,830.63
  6. Step 6: Final answer
    x = 79,806.37

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.