Home / 47,128.86-65,038.05-25,909.52

Finding the Fourth Proportional to 47,128.86, 65,038.05 and 25,909.52

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Solution

The fourth proportional to 47,128.86, 65,038.05 and 25,909.52 is: 35,755.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,128.86 : 65,038.05 = 25,909.52 : x
  2. Step 2: Convert to fraction form
    47,128.86/65,038.05 = 25,909.52/x
  3. Step 3: Cross multiply
    47,128.86x = 65,038.05 × 25,909.52
  4. Step 4: Simplify right side
    47,128.86x = 1,685,104,332.05
  5. Step 5: Solve for x
    x = 1,685,104,332.05/47,128.86
  6. Step 6: Final answer
    x = 35,755.25

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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.