Home / 53,555.21-79,854.01-52,083.89

Finding the Fourth Proportional to 53,555.21, 79,854.01 and 52,083.89

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Solution

The fourth proportional to 53,555.21, 79,854.01 and 52,083.89 is: 77,660.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,555.21 : 79,854.01 = 52,083.89 : x
  2. Step 2: Convert to fraction form
    53,555.21/79,854.01 = 52,083.89/x
  3. Step 3: Cross multiply
    53,555.21x = 79,854.01 × 52,083.89
  4. Step 4: Simplify right side
    53,555.21x = 4,159,107,472.90
  5. Step 5: Solve for x
    x = 4,159,107,472.90/53,555.21
  6. Step 6: Final answer
    x = 77,660.18

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.