Home / 47,170.76-65,095.52-28,307.88

Finding the Fourth Proportional to 47,170.76, 65,095.52 and 28,307.88

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Solution

The fourth proportional to 47,170.76, 65,095.52 and 28,307.88 is: 39,064.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,170.76 : 65,095.52 = 28,307.88 : x
  2. Step 2: Convert to fraction form
    47,170.76/65,095.52 = 28,307.88/x
  3. Step 3: Cross multiply
    47,170.76x = 65,095.52 × 28,307.88
  4. Step 4: Simplify right side
    47,170.76x = 1,842,716,027.16
  5. Step 5: Solve for x
    x = 1,842,716,027.16/47,170.76
  6. Step 6: Final answer
    x = 39,064.80

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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.