Home / 57,068.80-78,752.64-33,196.16

Finding the Fourth Proportional to 57,068.80, 78,752.64 and 33,196.16

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Solution

The fourth proportional to 57,068.80, 78,752.64 and 33,196.16 is: 45,809.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,068.80 : 78,752.64 = 33,196.16 : x
  2. Step 2: Convert to fraction form
    57,068.80/78,752.64 = 33,196.16/x
  3. Step 3: Cross multiply
    57,068.80x = 78,752.64 × 33,196.16
  4. Step 4: Simplify right side
    57,068.80x = 2,614,285,237.86
  5. Step 5: Solve for x
    x = 2,614,285,237.86/57,068.80
  6. Step 6: Final answer
    x = 45,809.36

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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.