Home / 217,637.86-326,419.10-59,828.80

Finding the Fourth Proportional to 217,637.86, 326,419.10 and 59,828.80

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Solution

The fourth proportional to 217,637.86, 326,419.10 and 59,828.80 is: 89,732.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,637.86 : 326,419.10 = 59,828.80 : x
  2. Step 2: Convert to fraction form
    217,637.86/326,419.10 = 59,828.80/x
  3. Step 3: Cross multiply
    217,637.86x = 326,419.10 × 59,828.80
  4. Step 4: Simplify right side
    217,637.86x = 19,529,263,050.08
  5. Step 5: Solve for x
    x = 19,529,263,050.08/217,637.86
  6. Step 6: Final answer
    x = 89,732.84

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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.