Home / 105,925.12-158,873.54-39,356.21

Finding the Fourth Proportional to 105,925.12, 158,873.54 and 39,356.21

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Solution

The fourth proportional to 105,925.12, 158,873.54 and 39,356.21 is: 59,029.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,925.12 : 158,873.54 = 39,356.21 : x
  2. Step 2: Convert to fraction form
    105,925.12/158,873.54 = 39,356.21/x
  3. Step 3: Cross multiply
    105,925.12x = 158,873.54 × 39,356.21
  4. Step 4: Simplify right side
    105,925.12x = 6,252,660,604.09
  5. Step 5: Solve for x
    x = 6,252,660,604.09/105,925.12
  6. Step 6: Final answer
    x = 59,029.06

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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.