Home / 81,897.40-113,009.14-46,086.64

Finding the Fourth Proportional to 81,897.40, 113,009.14 and 46,086.64

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Solution

The fourth proportional to 81,897.40, 113,009.14 and 46,086.64 is: 63,594.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,897.40 : 113,009.14 = 46,086.64 : x
  2. Step 2: Convert to fraction form
    81,897.40/113,009.14 = 46,086.64/x
  3. Step 3: Cross multiply
    81,897.40x = 113,009.14 × 46,086.64
  4. Step 4: Simplify right side
    81,897.40x = 5,208,211,551.89
  5. Step 5: Solve for x
    x = 5,208,211,551.89/81,897.40
  6. Step 6: Final answer
    x = 63,594.35

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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.