Home / 97,790.42-134,939.61-54,763.93

Finding the Fourth Proportional to 97,790.42, 134,939.61 and 54,763.93

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Solution

The fourth proportional to 97,790.42, 134,939.61 and 54,763.93 is: 75,567.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,790.42 : 134,939.61 = 54,763.93 : x
  2. Step 2: Convert to fraction form
    97,790.42/134,939.61 = 54,763.93/x
  3. Step 3: Cross multiply
    97,790.42x = 134,939.61 × 54,763.93
  4. Step 4: Simplify right side
    97,790.42x = 7,389,823,356.27
  5. Step 5: Solve for x
    x = 7,389,823,356.27/97,790.42
  6. Step 6: Final answer
    x = 75,567.97

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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.