Home / 49,842.09-74,763.36-12,402.14

Finding the Fourth Proportional to 49,842.09, 74,763.36 and 12,402.14

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Solution

The fourth proportional to 49,842.09, 74,763.36 and 12,402.14 is: 18,603.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,842.09 : 74,763.36 = 12,402.14 : x
  2. Step 2: Convert to fraction form
    49,842.09/74,763.36 = 12,402.14/x
  3. Step 3: Cross multiply
    49,842.09x = 74,763.36 × 12,402.14
  4. Step 4: Simplify right side
    49,842.09x = 927,225,283.77
  5. Step 5: Solve for x
    x = 927,225,283.77/49,842.09
  6. Step 6: Final answer
    x = 18,603.26

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1.5x scale

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.