Home / 74,902.83-103,366.70-40,912.29

Finding the Fourth Proportional to 74,902.83, 103,366.70 and 40,912.29

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Solution

The fourth proportional to 74,902.83, 103,366.70 and 40,912.29 is: 56,459.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,902.83 : 103,366.70 = 40,912.29 : x
  2. Step 2: Convert to fraction form
    74,902.83/103,366.70 = 40,912.29/x
  3. Step 3: Cross multiply
    74,902.83x = 103,366.70 × 40,912.29
  4. Step 4: Simplify right side
    74,902.83x = 4,228,968,355.60
  5. Step 5: Solve for x
    x = 4,228,968,355.60/74,902.83
  6. Step 6: Final answer
    x = 56,459.40

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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.