Home / 49,428.16-74,126.76-16,140.64

Finding the Fourth Proportional to 49,428.16, 74,126.76 and 16,140.64

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Solution

The fourth proportional to 49,428.16, 74,126.76 and 16,140.64 is: 24,205.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,428.16 : 74,126.76 = 16,140.64 : x
  2. Step 2: Convert to fraction form
    49,428.16/74,126.76 = 16,140.64/x
  3. Step 3: Cross multiply
    49,428.16x = 74,126.76 × 16,140.64
  4. Step 4: Simplify right side
    49,428.16x = 1,196,453,347.53
  5. Step 5: Solve for x
    x = 1,196,453,347.53/49,428.16
  6. Step 6: Final answer
    x = 24,205.91

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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.