Home / 81,590.04-122,394.78-29,004.84

Finding the Fourth Proportional to 81,590.04, 122,394.78 and 29,004.84

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Solution

The fourth proportional to 81,590.04, 122,394.78 and 29,004.84 is: 43,510.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,590.04 : 122,394.78 = 29,004.84 : x
  2. Step 2: Convert to fraction form
    81,590.04/122,394.78 = 29,004.84/x
  3. Step 3: Cross multiply
    81,590.04x = 122,394.78 × 29,004.84
  4. Step 4: Simplify right side
    81,590.04x = 3,550,041,010.74
  5. Step 5: Solve for x
    x = 3,550,041,010.74/81,590.04
  6. Step 6: Final answer
    x = 43,510.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.