Home / 103,638.04-155,506.24-44,490.56

Finding the Fourth Proportional to 103,638.04, 155,506.24 and 44,490.56

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Solution

The fourth proportional to 103,638.04, 155,506.24 and 44,490.56 is: 66,756.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,638.04 : 155,506.24 = 44,490.56 : x
  2. Step 2: Convert to fraction form
    103,638.04/155,506.24 = 44,490.56/x
  3. Step 3: Cross multiply
    103,638.04x = 155,506.24 × 44,490.56
  4. Step 4: Simplify right side
    103,638.04x = 6,918,559,701.09
  5. Step 5: Solve for x
    x = 6,918,559,701.09/103,638.04
  6. Step 6: Final answer
    x = 66,756.95

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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.