Home / 52,808.35-72,875.42-28,935.79

Finding the Fourth Proportional to 52,808.35, 72,875.42 and 28,935.79

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Solution

The fourth proportional to 52,808.35, 72,875.42 and 28,935.79 is: 39,931.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,808.35 : 72,875.42 = 28,935.79 : x
  2. Step 2: Convert to fraction form
    52,808.35/72,875.42 = 28,935.79/x
  3. Step 3: Cross multiply
    52,808.35x = 72,875.42 × 28,935.79
  4. Step 4: Simplify right side
    52,808.35x = 2,108,707,704.60
  5. Step 5: Solve for x
    x = 2,108,707,704.60/52,808.35
  6. Step 6: Final answer
    x = 39,931.33

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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.