Home / 105,741.60-158,619.60-33,688.80

Finding the Fourth Proportional to 105,741.60, 158,619.60 and 33,688.80

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Solution

The fourth proportional to 105,741.60, 158,619.60 and 33,688.80 is: 50,535.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,741.60 : 158,619.60 = 33,688.80 : x
  2. Step 2: Convert to fraction form
    105,741.60/158,619.60 = 33,688.80/x
  3. Step 3: Cross multiply
    105,741.60x = 158,619.60 × 33,688.80
  4. Step 4: Simplify right side
    105,741.60x = 5,343,703,980.48
  5. Step 5: Solve for x
    x = 5,343,703,980.48/105,741.60
  6. Step 6: Final answer
    x = 50,535.49

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1.5x scale

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.