Home / 55,621.08-76,749.66-31,746.24

Finding the Fourth Proportional to 55,621.08, 76,749.66 and 31,746.24

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Solution

The fourth proportional to 55,621.08, 76,749.66 and 31,746.24 is: 43,805.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,621.08 : 76,749.66 = 31,746.24 : x
  2. Step 2: Convert to fraction form
    55,621.08/76,749.66 = 31,746.24/x
  3. Step 3: Cross multiply
    55,621.08x = 76,749.66 × 31,746.24
  4. Step 4: Simplify right side
    55,621.08x = 2,436,513,126.28
  5. Step 5: Solve for x
    x = 2,436,513,126.28/55,621.08
  6. Step 6: Final answer
    x = 43,805.57

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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.