Home / 81,907.85-113,036.47-46,100.18

Finding the Fourth Proportional to 81,907.85, 113,036.47 and 46,100.18

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Solution

The fourth proportional to 81,907.85, 113,036.47 and 46,100.18 is: 63,620.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,907.85 : 113,036.47 = 46,100.18 : x
  2. Step 2: Convert to fraction form
    81,907.85/113,036.47 = 46,100.18/x
  3. Step 3: Cross multiply
    81,907.85x = 113,036.47 × 46,100.18
  4. Step 4: Simplify right side
    81,907.85x = 5,211,001,613.56
  5. Step 5: Solve for x
    x = 5,211,001,613.56/81,907.85
  6. Step 6: Final answer
    x = 63,620.30

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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.