Home / 97,665.35-146,330.80-53,323.16

Finding the Fourth Proportional to 97,665.35, 146,330.80 and 53,323.16

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Solution

The fourth proportional to 97,665.35, 146,330.80 and 53,323.16 is: 79,893.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,665.35 : 146,330.80 = 53,323.16 : x
  2. Step 2: Convert to fraction form
    97,665.35/146,330.80 = 53,323.16/x
  3. Step 3: Cross multiply
    97,665.35x = 146,330.80 × 53,323.16
  4. Step 4: Simplify right side
    97,665.35x = 7,802,820,919.42
  5. Step 5: Solve for x
    x = 7,802,820,919.42/97,665.35
  6. Step 6: Final answer
    x = 79,893.45

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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.