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Finding the Fourth Proportional to 81,883.82, 113,001.88 and 46,075.11

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Solution

The fourth proportional to 81,883.82, 113,001.88 and 46,075.11 is: 63,584.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,883.82 : 113,001.88 = 46,075.11 : x
  2. Step 2: Convert to fraction form
    81,883.82/113,001.88 = 46,075.11/x
  3. Step 3: Cross multiply
    81,883.82x = 113,001.88 × 46,075.11
  4. Step 4: Simplify right side
    81,883.82x = 5,206,574,051.21
  5. Step 5: Solve for x
    x = 5,206,574,051.21/81,883.82
  6. Step 6: Final answer
    x = 63,584.89

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1.5x scale

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.