Home / 74,274.18-102,498.42-40,282.67

Finding the Fourth Proportional to 74,274.18, 102,498.42 and 40,282.67

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Solution

The fourth proportional to 74,274.18, 102,498.42 and 40,282.67 is: 55,590.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,274.18 : 102,498.42 = 40,282.67 : x
  2. Step 2: Convert to fraction form
    74,274.18/102,498.42 = 40,282.67/x
  3. Step 3: Cross multiply
    74,274.18x = 102,498.42 × 40,282.67
  4. Step 4: Simplify right side
    74,274.18x = 4,128,909,515.89
  5. Step 5: Solve for x
    x = 4,128,909,515.89/74,274.18
  6. Step 6: Final answer
    x = 55,590.11

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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.