Home / 105,025.37-144,933.24-57,275.87

Finding the Fourth Proportional to 105,025.37, 144,933.24 and 57,275.87

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Solution

The fourth proportional to 105,025.37, 144,933.24 and 57,275.87 is: 79,039.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,025.37 : 144,933.24 = 57,275.87 : x
  2. Step 2: Convert to fraction form
    105,025.37/144,933.24 = 57,275.87/x
  3. Step 3: Cross multiply
    105,025.37x = 144,933.24 × 57,275.87
  4. Step 4: Simplify right side
    105,025.37x = 8,301,176,688.25
  5. Step 5: Solve for x
    x = 8,301,176,688.25/105,025.37
  6. Step 6: Final answer
    x = 79,039.73

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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.