Home / 74,898.40-103,360.12-40,906.34

Finding the Fourth Proportional to 74,898.40, 103,360.12 and 40,906.34

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Solution

The fourth proportional to 74,898.40, 103,360.12 and 40,906.34 is: 56,450.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,898.40 : 103,360.12 = 40,906.34 : x
  2. Step 2: Convert to fraction form
    74,898.40/103,360.12 = 40,906.34/x
  3. Step 3: Cross multiply
    74,898.40x = 103,360.12 × 40,906.34
  4. Step 4: Simplify right side
    74,898.40x = 4,228,084,211.16
  5. Step 5: Solve for x
    x = 4,228,084,211.16/74,898.40
  6. Step 6: Final answer
    x = 56,450.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.