Home / 124,521.60-186,782.40-41,415.60

Finding the Fourth Proportional to 124,521.60, 186,782.40 and 41,415.60

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Solution

The fourth proportional to 124,521.60, 186,782.40 and 41,415.60 is: 62,123.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,521.60 : 186,782.40 = 41,415.60 : x
  2. Step 2: Convert to fraction form
    124,521.60/186,782.40 = 41,415.60/x
  3. Step 3: Cross multiply
    124,521.60x = 186,782.40 × 41,415.60
  4. Step 4: Simplify right side
    124,521.60x = 7,735,705,165.44
  5. Step 5: Solve for x
    x = 7,735,705,165.44/124,521.60
  6. Step 6: Final answer
    x = 62,123.40

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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.