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Finding the Fourth Proportional to 70,798.46, 106,263.29 and 35,762.72

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Solution

The fourth proportional to 70,798.46, 106,263.29 and 35,762.72 is: 53,677.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,798.46 : 106,263.29 = 35,762.72 : x
  2. Step 2: Convert to fraction form
    70,798.46/106,263.29 = 35,762.72/x
  3. Step 3: Cross multiply
    70,798.46x = 106,263.29 × 35,762.72
  4. Step 4: Simplify right side
    70,798.46x = 3,800,263,844.64
  5. Step 5: Solve for x
    x = 3,800,263,844.64/70,798.46
  6. Step 6: Final answer
    x = 53,677.21

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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.