Home / 74,315.06-111,509.04-34,875.38

Finding the Fourth Proportional to 74,315.06, 111,509.04 and 34,875.38

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Solution

The fourth proportional to 74,315.06, 111,509.04 and 34,875.38 is: 52,330.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,315.06 : 111,509.04 = 34,875.38 : x
  2. Step 2: Convert to fraction form
    74,315.06/111,509.04 = 34,875.38/x
  3. Step 3: Cross multiply
    74,315.06x = 111,509.04 × 34,875.38
  4. Step 4: Simplify right side
    74,315.06x = 3,888,920,143.44
  5. Step 5: Solve for x
    x = 3,888,920,143.44/74,315.06
  6. Step 6: Final answer
    x = 52,330.18

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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.