Home / 76,070.33-104,941.70-49,221.50

Finding the Fourth Proportional to 76,070.33, 104,941.70 and 49,221.50

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Solution

The fourth proportional to 76,070.33, 104,941.70 and 49,221.50 is: 67,902.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,070.33 : 104,941.70 = 49,221.50 : x
  2. Step 2: Convert to fraction form
    76,070.33/104,941.70 = 49,221.50/x
  3. Step 3: Cross multiply
    76,070.33x = 104,941.70 × 49,221.50
  4. Step 4: Simplify right side
    76,070.33x = 5,165,387,902.80
  5. Step 5: Solve for x
    x = 5,165,387,902.80/76,070.33
  6. Step 6: Final answer
    x = 67,902.80

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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.