Home / 124,636.06-171,989.76-68,047.30

Finding the Fourth Proportional to 124,636.06, 171,989.76 and 68,047.30

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Solution

The fourth proportional to 124,636.06, 171,989.76 and 68,047.30 is: 93,900.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,636.06 : 171,989.76 = 68,047.30 : x
  2. Step 2: Convert to fraction form
    124,636.06/171,989.76 = 68,047.30/x
  3. Step 3: Cross multiply
    124,636.06x = 171,989.76 × 68,047.30
  4. Step 4: Simplify right side
    124,636.06x = 11,703,438,795.65
  5. Step 5: Solve for x
    x = 11,703,438,795.65/124,636.06
  6. Step 6: Final answer
    x = 93,900.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.