Home / 77,472.23-106,907.18-43,477.54

Finding the Fourth Proportional to 77,472.23, 106,907.18 and 43,477.54

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Solution

The fourth proportional to 77,472.23, 106,907.18 and 43,477.54 is: 59,996.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,472.23 : 106,907.18 = 43,477.54 : x
  2. Step 2: Convert to fraction form
    77,472.23/106,907.18 = 43,477.54/x
  3. Step 3: Cross multiply
    77,472.23x = 106,907.18 × 43,477.54
  4. Step 4: Simplify right side
    77,472.23x = 4,648,061,303.43
  5. Step 5: Solve for x
    x = 4,648,061,303.43/77,472.23
  6. Step 6: Final answer
    x = 59,996.48

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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.