Home / 55,434.76-76,498.26-31,564.84

Finding the Fourth Proportional to 55,434.76, 76,498.26 and 31,564.84

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Solution

The fourth proportional to 55,434.76, 76,498.26 and 31,564.84 is: 43,558.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,434.76 : 76,498.26 = 31,564.84 : x
  2. Step 2: Convert to fraction form
    55,434.76/76,498.26 = 31,564.84/x
  3. Step 3: Cross multiply
    55,434.76x = 76,498.26 × 31,564.84
  4. Step 4: Simplify right side
    55,434.76x = 2,414,655,337.18
  5. Step 5: Solve for x
    x = 2,414,655,337.18/55,434.76
  6. Step 6: Final answer
    x = 43,558.51

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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.