Home / 65,300.45-97,950.70-43,108.64

Finding the Fourth Proportional to 65,300.45, 97,950.70 and 43,108.64

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Solution

The fourth proportional to 65,300.45, 97,950.70 and 43,108.64 is: 64,662.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,300.45 : 97,950.70 = 43,108.64 : x
  2. Step 2: Convert to fraction form
    65,300.45/97,950.70 = 43,108.64/x
  3. Step 3: Cross multiply
    65,300.45x = 97,950.70 × 43,108.64
  4. Step 4: Simplify right side
    65,300.45x = 4,222,520,866.52
  5. Step 5: Solve for x
    x = 4,222,520,866.52/65,300.45
  6. Step 6: Final answer
    x = 64,662.96

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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.