Home / 55,570.08-76,722.48-49,591.48

Finding the Fourth Proportional to 55,570.08, 76,722.48 and 49,591.48

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Solution

The fourth proportional to 55,570.08, 76,722.48 and 49,591.48 is: 68,468.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,570.08 : 76,722.48 = 49,591.48 : x
  2. Step 2: Convert to fraction form
    55,570.08/76,722.48 = 49,591.48/x
  3. Step 3: Cross multiply
    55,570.08x = 76,722.48 × 49,591.48
  4. Step 4: Simplify right side
    55,570.08x = 3,804,781,332.47
  5. Step 5: Solve for x
    x = 3,804,781,332.47/55,570.08
  6. Step 6: Final answer
    x = 68,468.16

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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.