Home / 77,268.24-106,623-43,734.24

Finding the Fourth Proportional to 77,268.24, 106,623 and 43,734.24

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Solution

The fourth proportional to 77,268.24, 106,623 and 43,734.24 is: 60,349.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,268.24 : 106,623 = 43,734.24 : x
  2. Step 2: Convert to fraction form
    77,268.24/106,623 = 43,734.24/x
  3. Step 3: Cross multiply
    77,268.24x = 106,623 × 43,734.24
  4. Step 4: Simplify right side
    77,268.24x = 4,663,075,871.52
  5. Step 5: Solve for x
    x = 4,663,075,871.52/77,268.24
  6. Step 6: Final answer
    x = 60,349.19

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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.