Home / 52,650.60-78,980.04-17,590.38

Finding the Fourth Proportional to 52,650.60, 78,980.04 and 17,590.38

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Solution

The fourth proportional to 52,650.60, 78,980.04 and 17,590.38 is: 26,386.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,650.60 : 78,980.04 = 17,590.38 : x
  2. Step 2: Convert to fraction form
    52,650.60/78,980.04 = 17,590.38/x
  3. Step 3: Cross multiply
    52,650.60x = 78,980.04 × 17,590.38
  4. Step 4: Simplify right side
    52,650.60x = 1,389,288,916.02
  5. Step 5: Solve for x
    x = 1,389,288,916.02/52,650.60
  6. Step 6: Final answer
    x = 26,386.95

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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.