Home / 106,540.94-147,030.02-58,145.51

Finding the Fourth Proportional to 106,540.94, 147,030.02 and 58,145.51

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Solution

The fourth proportional to 106,540.94, 147,030.02 and 58,145.51 is: 80,242.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,540.94 : 147,030.02 = 58,145.51 : x
  2. Step 2: Convert to fraction form
    106,540.94/147,030.02 = 58,145.51/x
  3. Step 3: Cross multiply
    106,540.94x = 147,030.02 × 58,145.51
  4. Step 4: Simplify right side
    106,540.94x = 8,549,134,472.33
  5. Step 5: Solve for x
    x = 8,549,134,472.33/106,540.94
  6. Step 6: Final answer
    x = 80,242.72

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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.