Home / 52,929.18-79,391.88-13,485.96

Finding the Fourth Proportional to 52,929.18, 79,391.88 and 13,485.96

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Solution

The fourth proportional to 52,929.18, 79,391.88 and 13,485.96 is: 20,228.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,929.18 : 79,391.88 = 13,485.96 : x
  2. Step 2: Convert to fraction form
    52,929.18/79,391.88 = 13,485.96/x
  3. Step 3: Cross multiply
    52,929.18x = 79,391.88 × 13,485.96
  4. Step 4: Simplify right side
    52,929.18x = 1,070,675,718.00
  5. Step 5: Solve for x
    x = 1,070,675,718.00/52,929.18
  6. Step 6: Final answer
    x = 20,228.46

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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.