Home / 58,899.33-81,239.64-38,749.77

Finding the Fourth Proportional to 58,899.33, 81,239.64 and 38,749.77

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Solution

The fourth proportional to 58,899.33, 81,239.64 and 38,749.77 is: 53,447.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,899.33 : 81,239.64 = 38,749.77 : x
  2. Step 2: Convert to fraction form
    58,899.33/81,239.64 = 38,749.77/x
  3. Step 3: Cross multiply
    58,899.33x = 81,239.64 × 38,749.77
  4. Step 4: Simplify right side
    58,899.33x = 3,148,017,364.88
  5. Step 5: Solve for x
    x = 3,148,017,364.88/58,899.33
  6. Step 6: Final answer
    x = 53,447.42

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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.