Home / 55,701.26-76,866.68-31,501.80

Finding the Fourth Proportional to 55,701.26, 76,866.68 and 31,501.80

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Solution

The fourth proportional to 55,701.26, 76,866.68 and 31,501.80 is: 43,471.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,701.26 : 76,866.68 = 31,501.80 : x
  2. Step 2: Convert to fraction form
    55,701.26/76,866.68 = 31,501.80/x
  3. Step 3: Cross multiply
    55,701.26x = 76,866.68 × 31,501.80
  4. Step 4: Simplify right side
    55,701.26x = 2,421,438,780.02
  5. Step 5: Solve for x
    x = 2,421,438,780.02/55,701.26
  6. Step 6: Final answer
    x = 43,471.89

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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.