Home / 81,897.96-113,021.40-46,089.24

Finding the Fourth Proportional to 81,897.96, 113,021.40 and 46,089.24

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Solution

The fourth proportional to 81,897.96, 113,021.40 and 46,089.24 is: 63,604.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,897.96 : 113,021.40 = 46,089.24 : x
  2. Step 2: Convert to fraction form
    81,897.96/113,021.40 = 46,089.24/x
  3. Step 3: Cross multiply
    81,897.96x = 113,021.40 × 46,089.24
  4. Step 4: Simplify right side
    81,897.96x = 5,209,070,429.74
  5. Step 5: Solve for x
    x = 5,209,070,429.74/81,897.96
  6. Step 6: Final answer
    x = 63,604.40

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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.