Home / 74,215.53-111,060.51-46,148.80

Finding the Fourth Proportional to 74,215.53, 111,060.51 and 46,148.80

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Solution

The fourth proportional to 74,215.53, 111,060.51 and 46,148.80 is: 69,059.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,215.53 : 111,060.51 = 46,148.80 : x
  2. Step 2: Convert to fraction form
    74,215.53/111,060.51 = 46,148.80/x
  3. Step 3: Cross multiply
    74,215.53x = 111,060.51 × 46,148.80
  4. Step 4: Simplify right side
    74,215.53x = 5,125,309,263.89
  5. Step 5: Solve for x
    x = 5,125,309,263.89/74,215.53
  6. Step 6: Final answer
    x = 69,059.79

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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.