Home / 98,037.99-146,985.30-31,440.21

Finding the Fourth Proportional to 98,037.99, 146,985.30 and 31,440.21

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Solution

The fourth proportional to 98,037.99, 146,985.30 and 31,440.21 is: 47,137.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,037.99 : 146,985.30 = 31,440.21 : x
  2. Step 2: Convert to fraction form
    98,037.99/146,985.30 = 31,440.21/x
  3. Step 3: Cross multiply
    98,037.99x = 146,985.30 × 31,440.21
  4. Step 4: Simplify right side
    98,037.99x = 4,621,248,698.91
  5. Step 5: Solve for x
    x = 4,621,248,698.91/98,037.99
  6. Step 6: Final answer
    x = 47,137.33

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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.