Home / 105,875.04-158,799.46-30,994.38

Finding the Fourth Proportional to 105,875.04, 158,799.46 and 30,994.38

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Solution

The fourth proportional to 105,875.04, 158,799.46 and 30,994.38 is: 46,487.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,875.04 : 158,799.46 = 30,994.38 : x
  2. Step 2: Convert to fraction form
    105,875.04/158,799.46 = 30,994.38/x
  3. Step 3: Cross multiply
    105,875.04x = 158,799.46 × 30,994.38
  4. Step 4: Simplify right side
    105,875.04x = 4,921,890,807.03
  5. Step 5: Solve for x
    x = 4,921,890,807.03/105,875.04
  6. Step 6: Final answer
    x = 46,487.74

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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.