Home / 74,007.76-111,028.02-34,543.32

Finding the Fourth Proportional to 74,007.76, 111,028.02 and 34,543.32

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Solution

The fourth proportional to 74,007.76, 111,028.02 and 34,543.32 is: 51,822.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,007.76 : 111,028.02 = 34,543.32 : x
  2. Step 2: Convert to fraction form
    74,007.76/111,028.02 = 34,543.32/x
  3. Step 3: Cross multiply
    74,007.76x = 111,028.02 × 34,543.32
  4. Step 4: Simplify right side
    74,007.76x = 3,835,276,423.83
  5. Step 5: Solve for x
    x = 3,835,276,423.83/74,007.76
  6. Step 6: Final answer
    x = 51,822.63

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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.