Home / 124,085.10-186,124.76-39,845.10

Finding the Fourth Proportional to 124,085.10, 186,124.76 and 39,845.10

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Solution

The fourth proportional to 124,085.10, 186,124.76 and 39,845.10 is: 59,766.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,085.10 : 186,124.76 = 39,845.10 : x
  2. Step 2: Convert to fraction form
    124,085.10/186,124.76 = 39,845.10/x
  3. Step 3: Cross multiply
    124,085.10x = 186,124.76 × 39,845.10
  4. Step 4: Simplify right side
    124,085.10x = 7,416,159,674.68
  5. Step 5: Solve for x
    x = 7,416,159,674.68/124,085.10
  6. Step 6: Final answer
    x = 59,766.72

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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.