Home / 47,207.94-65,147-25,987.08

Finding the Fourth Proportional to 47,207.94, 65,147 and 25,987.08

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Solution

The fourth proportional to 47,207.94, 65,147 and 25,987.08 is: 35,862.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,207.94 : 65,147 = 25,987.08 : x
  2. Step 2: Convert to fraction form
    47,207.94/65,147 = 25,987.08/x
  3. Step 3: Cross multiply
    47,207.94x = 65,147 × 25,987.08
  4. Step 4: Simplify right side
    47,207.94x = 1,692,980,300.76
  5. Step 5: Solve for x
    x = 1,692,980,300.76/47,207.94
  6. Step 6: Final answer
    x = 35,862.19

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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.