Home / 55,335.03-76,341.74-31,443.27

Finding the Fourth Proportional to 55,335.03, 76,341.74 and 31,443.27

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Solution

The fourth proportional to 55,335.03, 76,341.74 and 31,443.27 is: 43,380.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,335.03 : 76,341.74 = 31,443.27 : x
  2. Step 2: Convert to fraction form
    55,335.03/76,341.74 = 31,443.27/x
  3. Step 3: Cross multiply
    55,335.03x = 76,341.74 × 31,443.27
  4. Step 4: Simplify right side
    55,335.03x = 2,400,433,785.87
  5. Step 5: Solve for x
    x = 2,400,433,785.87/55,335.03
  6. Step 6: Final answer
    x = 43,380.00

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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.