Home / 65,316.04-97,923.30-20,917.24

Finding the Fourth Proportional to 65,316.04, 97,923.30 and 20,917.24

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Solution

The fourth proportional to 65,316.04, 97,923.30 and 20,917.24 is: 31,359.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,316.04 : 97,923.30 = 20,917.24 : x
  2. Step 2: Convert to fraction form
    65,316.04/97,923.30 = 20,917.24/x
  3. Step 3: Cross multiply
    65,316.04x = 97,923.30 × 20,917.24
  4. Step 4: Simplify right side
    65,316.04x = 2,048,285,167.69
  5. Step 5: Solve for x
    x = 2,048,285,167.69/65,316.04
  6. Step 6: Final answer
    x = 31,359.60

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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.