Home / 103,626.23-155,521.35-40,476.60

Finding the Fourth Proportional to 103,626.23, 155,521.35 and 40,476.60

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Solution

The fourth proportional to 103,626.23, 155,521.35 and 40,476.60 is: 60,746.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,626.23 : 155,521.35 = 40,476.60 : x
  2. Step 2: Convert to fraction form
    103,626.23/155,521.35 = 40,476.60/x
  3. Step 3: Cross multiply
    103,626.23x = 155,521.35 × 40,476.60
  4. Step 4: Simplify right side
    103,626.23x = 6,294,975,475.41
  5. Step 5: Solve for x
    x = 6,294,975,475.41/103,626.23
  6. Step 6: Final answer
    x = 60,746.93

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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.