Home / 97,866.81-146,823.20-30,395.40

Finding the Fourth Proportional to 97,866.81, 146,823.20 and 30,395.40

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Solution

The fourth proportional to 97,866.81, 146,823.20 and 30,395.40 is: 45,600.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,866.81 : 146,823.20 = 30,395.40 : x
  2. Step 2: Convert to fraction form
    97,866.81/146,823.20 = 30,395.40/x
  3. Step 3: Cross multiply
    97,866.81x = 146,823.20 × 30,395.40
  4. Step 4: Simplify right side
    97,866.81x = 4,462,749,304.70
  5. Step 5: Solve for x
    x = 4,462,749,304.70/97,866.81
  6. Step 6: Final answer
    x = 45,600.23

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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.