Home / 72,163.14-99,519.93-45,308.58

Finding the Fourth Proportional to 72,163.14, 99,519.93 and 45,308.58

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Solution

The fourth proportional to 72,163.14, 99,519.93 and 45,308.58 is: 62,484.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,163.14 : 99,519.93 = 45,308.58 : x
  2. Step 2: Convert to fraction form
    72,163.14/99,519.93 = 45,308.58/x
  3. Step 3: Cross multiply
    72,163.14x = 99,519.93 × 45,308.58
  4. Step 4: Simplify right side
    72,163.14x = 4,509,106,710.00
  5. Step 5: Solve for x
    x = 4,509,106,710.00/72,163.14
  6. Step 6: Final answer
    x = 62,484.90

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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.