Home / 47,130.57-65,039.76-25,909.74

Finding the Fourth Proportional to 47,130.57, 65,039.76 and 25,909.74

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Solution

The fourth proportional to 47,130.57, 65,039.76 and 25,909.74 is: 35,755.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,130.57 : 65,039.76 = 25,909.74 : x
  2. Step 2: Convert to fraction form
    47,130.57/65,039.76 = 25,909.74/x
  3. Step 3: Cross multiply
    47,130.57x = 65,039.76 × 25,909.74
  4. Step 4: Simplify right side
    47,130.57x = 1,685,163,271.26
  5. Step 5: Solve for x
    x = 1,685,163,271.26/47,130.57
  6. Step 6: Final answer
    x = 35,755.21

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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.