Home / 53,238.74-79,913.50-39,214.60

Finding the Fourth Proportional to 53,238.74, 79,913.50 and 39,214.60

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Solution

The fourth proportional to 53,238.74, 79,913.50 and 39,214.60 is: 58,862.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,238.74 : 79,913.50 = 39,214.60 : x
  2. Step 2: Convert to fraction form
    53,238.74/79,913.50 = 39,214.60/x
  3. Step 3: Cross multiply
    53,238.74x = 79,913.50 × 39,214.60
  4. Step 4: Simplify right side
    53,238.74x = 3,133,775,639.28
  5. Step 5: Solve for x
    x = 3,133,775,639.28/53,238.74
  6. Step 6: Final answer
    x = 58,862.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.