Home / 65,162.24-97,688.64-45,382.40

Finding the Fourth Proportional to 65,162.24, 97,688.64 and 45,382.40

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Solution

The fourth proportional to 65,162.24, 97,688.64 and 45,382.40 is: 68,035.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,162.24 : 97,688.64 = 45,382.40 : x
  2. Step 2: Convert to fraction form
    65,162.24/97,688.64 = 45,382.40/x
  3. Step 3: Cross multiply
    65,162.24x = 97,688.64 × 45,382.40
  4. Step 4: Simplify right side
    65,162.24x = 4,433,344,935.94
  5. Step 5: Solve for x
    x = 4,433,344,935.94/65,162.24
  6. Step 6: Final answer
    x = 68,035.49

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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.