Home / 47,205.32-65,143.78-25,985.00

Finding the Fourth Proportional to 47,205.32, 65,143.78 and 25,985.00

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Solution

The fourth proportional to 47,205.32, 65,143.78 and 25,985.00 is: 35,859.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,205.32 : 65,143.78 = 25,985.00 : x
  2. Step 2: Convert to fraction form
    47,205.32/65,143.78 = 25,985.00/x
  3. Step 3: Cross multiply
    47,205.32x = 65,143.78 × 25,985.00
  4. Step 4: Simplify right side
    47,205.32x = 1,692,761,221.20
  5. Step 5: Solve for x
    x = 1,692,761,221.20/47,205.32
  6. Step 6: Final answer
    x = 35,859.55

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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.