Home / 82,421.91-113,744.93-53,760.33

Finding the Fourth Proportional to 82,421.91, 113,744.93 and 53,760.33

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Solution

The fourth proportional to 82,421.91, 113,744.93 and 53,760.33 is: 74,191.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,421.91 : 113,744.93 = 53,760.33 : x
  2. Step 2: Convert to fraction form
    82,421.91/113,744.93 = 53,760.33/x
  3. Step 3: Cross multiply
    82,421.91x = 113,744.93 × 53,760.33
  4. Step 4: Simplify right side
    82,421.91x = 6,114,964,703.83
  5. Step 5: Solve for x
    x = 6,114,964,703.83/82,421.91
  6. Step 6: Final answer
    x = 74,191.01

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1.5x scale

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.