Home / 78,320.23-108,082.08-46,495.51

Finding the Fourth Proportional to 78,320.23, 108,082.08 and 46,495.51

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Solution

The fourth proportional to 78,320.23, 108,082.08 and 46,495.51 is: 64,163.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,320.23 : 108,082.08 = 46,495.51 : x
  2. Step 2: Convert to fraction form
    78,320.23/108,082.08 = 46,495.51/x
  3. Step 3: Cross multiply
    78,320.23x = 108,082.08 × 46,495.51
  4. Step 4: Simplify right side
    78,320.23x = 5,025,331,431.46
  5. Step 5: Solve for x
    x = 5,025,331,431.46/78,320.23
  6. Step 6: Final answer
    x = 64,163.90

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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.