Home / 57,221.66-78,901.34-46,840.70

Finding the Fourth Proportional to 57,221.66, 78,901.34 and 46,840.70

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Solution

The fourth proportional to 57,221.66, 78,901.34 and 46,840.70 is: 64,587.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,221.66 : 78,901.34 = 46,840.70 : x
  2. Step 2: Convert to fraction form
    57,221.66/78,901.34 = 46,840.70/x
  3. Step 3: Cross multiply
    57,221.66x = 78,901.34 × 46,840.70
  4. Step 4: Simplify right side
    57,221.66x = 3,695,793,996.54
  5. Step 5: Solve for x
    x = 3,695,793,996.54/57,221.66
  6. Step 6: Final answer
    x = 64,587.33

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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.