Home / 82,089.90-113,282.55-46,279.95

Finding the Fourth Proportional to 82,089.90, 113,282.55 and 46,279.95

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Solution

The fourth proportional to 82,089.90, 113,282.55 and 46,279.95 is: 63,865.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,089.90 : 113,282.55 = 46,279.95 : x
  2. Step 2: Convert to fraction form
    82,089.90/113,282.55 = 46,279.95/x
  3. Step 3: Cross multiply
    82,089.90x = 113,282.55 × 46,279.95
  4. Step 4: Simplify right side
    82,089.90x = 5,242,710,749.87
  5. Step 5: Solve for x
    x = 5,242,710,749.87/82,089.90
  6. Step 6: Final answer
    x = 63,865.48

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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.