Home / 74,348.07-111,632.82-30,061.32

Finding the Fourth Proportional to 74,348.07, 111,632.82 and 30,061.32

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Solution

The fourth proportional to 74,348.07, 111,632.82 and 30,061.32 is: 45,136.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,348.07 : 111,632.82 = 30,061.32 : x
  2. Step 2: Convert to fraction form
    74,348.07/111,632.82 = 30,061.32/x
  3. Step 3: Cross multiply
    74,348.07x = 111,632.82 × 30,061.32
  4. Step 4: Simplify right side
    74,348.07x = 3,355,829,849.37
  5. Step 5: Solve for x
    x = 3,355,829,849.37/74,348.07
  6. Step 6: Final answer
    x = 45,136.74

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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.