Home / 64,887.10-97,323.45-53,179.90

Finding the Fourth Proportional to 64,887.10, 97,323.45 and 53,179.90

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Solution

The fourth proportional to 64,887.10, 97,323.45 and 53,179.90 is: 79,763.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,887.10 : 97,323.45 = 53,179.90 : x
  2. Step 2: Convert to fraction form
    64,887.10/97,323.45 = 53,179.90/x
  3. Step 3: Cross multiply
    64,887.10x = 97,323.45 × 53,179.90
  4. Step 4: Simplify right side
    64,887.10x = 5,175,651,338.66
  5. Step 5: Solve for x
    x = 5,175,651,338.66/64,887.10
  6. Step 6: Final answer
    x = 79,763.95

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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.