Home / 53,790.60-80,588.70-47,569.80

Finding the Fourth Proportional to 53,790.60, 80,588.70 and 47,569.80

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Solution

The fourth proportional to 53,790.60, 80,588.70 and 47,569.80 is: 71,268.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,790.60 : 80,588.70 = 47,569.80 : x
  2. Step 2: Convert to fraction form
    53,790.60/80,588.70 = 47,569.80/x
  3. Step 3: Cross multiply
    53,790.60x = 80,588.70 × 47,569.80
  4. Step 4: Simplify right side
    53,790.60x = 3,833,588,341.26
  5. Step 5: Solve for x
    x = 3,833,588,341.26/53,790.60
  6. Step 6: Final answer
    x = 71,268.74

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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.