Home / 97,759.92-146,663.76-31,200.12

Finding the Fourth Proportional to 97,759.92, 146,663.76 and 31,200.12

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Solution

The fourth proportional to 97,759.92, 146,663.76 and 31,200.12 is: 46,807.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,759.92 : 146,663.76 = 31,200.12 : x
  2. Step 2: Convert to fraction form
    97,759.92/146,663.76 = 31,200.12/x
  3. Step 3: Cross multiply
    97,759.92x = 146,663.76 × 31,200.12
  4. Step 4: Simplify right side
    97,759.92x = 4,575,926,911.65
  5. Step 5: Solve for x
    x = 4,575,926,911.65/97,759.92
  6. Step 6: Final answer
    x = 46,807.80

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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.