Home / 55,601.29-76,716.54-31,402.74

Finding the Fourth Proportional to 55,601.29, 76,716.54 and 31,402.74

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Solution

The fourth proportional to 55,601.29, 76,716.54 and 31,402.74 is: 43,328.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,601.29 : 76,716.54 = 31,402.74 : x
  2. Step 2: Convert to fraction form
    55,601.29/76,716.54 = 31,402.74/x
  3. Step 3: Cross multiply
    55,601.29x = 76,716.54 × 31,402.74
  4. Step 4: Simplify right side
    55,601.29x = 2,409,109,503.80
  5. Step 5: Solve for x
    x = 2,409,109,503.80/55,601.29
  6. Step 6: Final answer
    x = 43,328.31

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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.