Home / 57,117.60-78,822.36-33,260.25

Finding the Fourth Proportional to 57,117.60, 78,822.36 and 33,260.25

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Solution

The fourth proportional to 57,117.60, 78,822.36 and 33,260.25 is: 45,899.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,117.60 : 78,822.36 = 33,260.25 : x
  2. Step 2: Convert to fraction form
    57,117.60/78,822.36 = 33,260.25/x
  3. Step 3: Cross multiply
    57,117.60x = 78,822.36 × 33,260.25
  4. Step 4: Simplify right side
    57,117.60x = 2,621,651,399.19
  5. Step 5: Solve for x
    x = 2,621,651,399.19/57,117.60
  6. Step 6: Final answer
    x = 45,899.19

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1.5x scale

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.