Home / 76,387.66-105,427.64-44,556.56

Finding the Fourth Proportional to 76,387.66, 105,427.64 and 44,556.56

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Solution

The fourth proportional to 76,387.66, 105,427.64 and 44,556.56 is: 61,495.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,387.66 : 105,427.64 = 44,556.56 : x
  2. Step 2: Convert to fraction form
    76,387.66/105,427.64 = 44,556.56/x
  3. Step 3: Cross multiply
    76,387.66x = 105,427.64 × 44,556.56
  4. Step 4: Simplify right side
    76,387.66x = 4,697,493,539.96
  5. Step 5: Solve for x
    x = 4,697,493,539.96/76,387.66
  6. Step 6: Final answer
    x = 61,495.45

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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.