Home / 97,913.40-146,870.10-31,355.70

Finding the Fourth Proportional to 97,913.40, 146,870.10 and 31,355.70

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Solution

The fourth proportional to 97,913.40, 146,870.10 and 31,355.70 is: 47,033.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,913.40 : 146,870.10 = 31,355.70 : x
  2. Step 2: Convert to fraction form
    97,913.40/146,870.10 = 31,355.70/x
  3. Step 3: Cross multiply
    97,913.40x = 146,870.10 × 31,355.70
  4. Step 4: Simplify right side
    97,913.40x = 4,605,214,794.57
  5. Step 5: Solve for x
    x = 4,605,214,794.57/97,913.40
  6. Step 6: Final answer
    x = 47,033.55

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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.