Home / 105,594.22-145,720.02-63,152.75

Finding the Fourth Proportional to 105,594.22, 145,720.02 and 63,152.75

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Solution

The fourth proportional to 105,594.22, 145,720.02 and 63,152.75 is: 87,150.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,594.22 : 145,720.02 = 63,152.75 : x
  2. Step 2: Convert to fraction form
    105,594.22/145,720.02 = 63,152.75/x
  3. Step 3: Cross multiply
    105,594.22x = 145,720.02 × 63,152.75
  4. Step 4: Simplify right side
    105,594.22x = 9,202,619,993.06
  5. Step 5: Solve for x
    x = 9,202,619,993.06/105,594.22
  6. Step 6: Final answer
    x = 87,150.79

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.