Home / 55,588.72-76,720.10-34,091.32

Finding the Fourth Proportional to 55,588.72, 76,720.10 and 34,091.32

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Solution

The fourth proportional to 55,588.72, 76,720.10 and 34,091.32 is: 47,050.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,588.72 : 76,720.10 = 34,091.32 : x
  2. Step 2: Convert to fraction form
    55,588.72/76,720.10 = 34,091.32/x
  3. Step 3: Cross multiply
    55,588.72x = 76,720.10 × 34,091.32
  4. Step 4: Simplify right side
    55,588.72x = 2,615,489,479.53
  5. Step 5: Solve for x
    x = 2,615,489,479.53/55,588.72
  6. Step 6: Final answer
    x = 47,050.72

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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.