Home / 76,077.48-104,965.86-43,810.76

Finding the Fourth Proportional to 76,077.48, 104,965.86 and 43,810.76

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Solution

The fourth proportional to 76,077.48, 104,965.86 and 43,810.76 is: 60,446.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,077.48 : 104,965.86 = 43,810.76 : x
  2. Step 2: Convert to fraction form
    76,077.48/104,965.86 = 43,810.76/x
  3. Step 3: Cross multiply
    76,077.48x = 104,965.86 × 43,810.76
  4. Step 4: Simplify right side
    76,077.48x = 4,598,634,100.65
  5. Step 5: Solve for x
    x = 4,598,634,100.65/76,077.48
  6. Step 6: Final answer
    x = 60,446.72

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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.