Home / 77,319.63-106,707.56-43,327.58

Finding the Fourth Proportional to 77,319.63, 106,707.56 and 43,327.58

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Solution

The fourth proportional to 77,319.63, 106,707.56 and 43,327.58 is: 59,795.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,319.63 : 106,707.56 = 43,327.58 : x
  2. Step 2: Convert to fraction form
    77,319.63/106,707.56 = 43,327.58/x
  3. Step 3: Cross multiply
    77,319.63x = 106,707.56 × 43,327.58
  4. Step 4: Simplify right side
    77,319.63x = 4,623,379,592.33
  5. Step 5: Solve for x
    x = 4,623,379,592.33/77,319.63
  6. Step 6: Final answer
    x = 59,795.68

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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.