Home / 74,378.50-102,616.67-47,536.72

Finding the Fourth Proportional to 74,378.50, 102,616.67 and 47,536.72

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Solution

The fourth proportional to 74,378.50, 102,616.67 and 47,536.72 is: 65,584.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,378.50 : 102,616.67 = 47,536.72 : x
  2. Step 2: Convert to fraction form
    74,378.50/102,616.67 = 47,536.72/x
  3. Step 3: Cross multiply
    74,378.50x = 102,616.67 × 47,536.72
  4. Step 4: Simplify right side
    74,378.50x = 4,878,059,158.36
  5. Step 5: Solve for x
    x = 4,878,059,158.36/74,378.50
  6. Step 6: Final answer
    x = 65,584.27

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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.