Home / 47,108.78-65,010.48-25,888.40

Finding the Fourth Proportional to 47,108.78, 65,010.48 and 25,888.40

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Solution

The fourth proportional to 47,108.78, 65,010.48 and 25,888.40 is: 35,726.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,108.78 : 65,010.48 = 25,888.40 : x
  2. Step 2: Convert to fraction form
    47,108.78/65,010.48 = 25,888.40/x
  3. Step 3: Cross multiply
    47,108.78x = 65,010.48 × 25,888.40
  4. Step 4: Simplify right side
    47,108.78x = 1,683,017,310.43
  5. Step 5: Solve for x
    x = 1,683,017,310.43/47,108.78
  6. Step 6: Final answer
    x = 35,726.19

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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.