Home / 106,025.51-159,038.16-27,139.61

Finding the Fourth Proportional to 106,025.51, 159,038.16 and 27,139.61

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Solution

The fourth proportional to 106,025.51, 159,038.16 and 27,139.61 is: 40,709.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,025.51 : 159,038.16 = 27,139.61 : x
  2. Step 2: Convert to fraction form
    106,025.51/159,038.16 = 27,139.61/x
  3. Step 3: Cross multiply
    106,025.51x = 159,038.16 × 27,139.61
  4. Step 4: Simplify right side
    106,025.51x = 4,316,233,637.52
  5. Step 5: Solve for x
    x = 4,316,233,637.52/106,025.51
  6. Step 6: Final answer
    x = 40,709.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.