Home / 47,764.16-65,897.73-28,650.12

Finding the Fourth Proportional to 47,764.16, 65,897.73 and 28,650.12

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Solution

The fourth proportional to 47,764.16, 65,897.73 and 28,650.12 is: 39,527.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,764.16 : 65,897.73 = 28,650.12 : x
  2. Step 2: Convert to fraction form
    47,764.16/65,897.73 = 28,650.12/x
  3. Step 3: Cross multiply
    47,764.16x = 65,897.73 × 28,650.12
  4. Step 4: Simplify right side
    47,764.16x = 1,887,977,625.11
  5. Step 5: Solve for x
    x = 1,887,977,625.11/47,764.16
  6. Step 6: Final answer
    x = 39,527.08

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1.5x scale

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.