Home / 55,210.83-76,193.24-31,339.73

Finding the Fourth Proportional to 55,210.83, 76,193.24 and 31,339.73

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Solution

The fourth proportional to 55,210.83, 76,193.24 and 31,339.73 is: 43,250.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,210.83 : 76,193.24 = 31,339.73 : x
  2. Step 2: Convert to fraction form
    55,210.83/76,193.24 = 31,339.73/x
  3. Step 3: Cross multiply
    55,210.83x = 76,193.24 × 31,339.73
  4. Step 4: Simplify right side
    55,210.83x = 2,387,875,031.76
  5. Step 5: Solve for x
    x = 2,387,875,031.76/55,210.83
  6. Step 6: Final answer
    x = 43,250.12

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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.