Home / 106,434.72-146,886.48-58,687.92

Finding the Fourth Proportional to 106,434.72, 146,886.48 and 58,687.92

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Solution

The fourth proportional to 106,434.72, 146,886.48 and 58,687.92 is: 80,992.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,434.72 : 146,886.48 = 58,687.92 : x
  2. Step 2: Convert to fraction form
    106,434.72/146,886.48 = 58,687.92/x
  3. Step 3: Cross multiply
    106,434.72x = 146,886.48 × 58,687.92
  4. Step 4: Simplify right side
    106,434.72x = 8,620,461,987.32
  5. Step 5: Solve for x
    x = 8,620,461,987.32/106,434.72
  6. Step 6: Final answer
    x = 80,992.95

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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.