Home / 124,654.06-186,870.09-45,749.98

Finding the Fourth Proportional to 124,654.06, 186,870.09 and 45,749.98

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Solution

The fourth proportional to 124,654.06, 186,870.09 and 45,749.98 is: 68,584.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,654.06 : 186,870.09 = 45,749.98 : x
  2. Step 2: Convert to fraction form
    124,654.06/186,870.09 = 45,749.98/x
  3. Step 3: Cross multiply
    124,654.06x = 186,870.09 × 45,749.98
  4. Step 4: Simplify right side
    124,654.06x = 8,549,302,880.10
  5. Step 5: Solve for x
    x = 8,549,302,880.10/124,654.06
  6. Step 6: Final answer
    x = 68,584.23

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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.