Home / 97,875.20-146,834.69-31,319.33

Finding the Fourth Proportional to 97,875.20, 146,834.69 and 31,319.33

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Solution

The fourth proportional to 97,875.20, 146,834.69 and 31,319.33 is: 46,985.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,875.20 : 146,834.69 = 31,319.33 : x
  2. Step 2: Convert to fraction form
    97,875.20/146,834.69 = 31,319.33/x
  3. Step 3: Cross multiply
    97,875.20x = 146,834.69 × 31,319.33
  4. Step 4: Simplify right side
    97,875.20x = 4,598,763,220.79
  5. Step 5: Solve for x
    x = 4,598,763,220.79/97,875.20
  6. Step 6: Final answer
    x = 46,985.99

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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.