Home / 105,539.90-158,323.53-34,437.52

Finding the Fourth Proportional to 105,539.90, 158,323.53 and 34,437.52

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Solution

The fourth proportional to 105,539.90, 158,323.53 and 34,437.52 is: 51,660.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,539.90 : 158,323.53 = 34,437.52 : x
  2. Step 2: Convert to fraction form
    105,539.90/158,323.53 = 34,437.52/x
  3. Step 3: Cross multiply
    105,539.90x = 158,323.53 × 34,437.52
  4. Step 4: Simplify right side
    105,539.90x = 5,452,268,939.23
  5. Step 5: Solve for x
    x = 5,452,268,939.23/105,539.90
  6. Step 6: Final answer
    x = 51,660.74

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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.