Home / 64,435.74-88,892.19-41,780.47

Finding the Fourth Proportional to 64,435.74, 88,892.19 and 41,780.47

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Solution

The fourth proportional to 64,435.74, 88,892.19 and 41,780.47 is: 57,638.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,435.74 : 88,892.19 = 41,780.47 : x
  2. Step 2: Convert to fraction form
    64,435.74/88,892.19 = 41,780.47/x
  3. Step 3: Cross multiply
    64,435.74x = 88,892.19 × 41,780.47
  4. Step 4: Simplify right side
    64,435.74x = 3,713,957,255.30
  5. Step 5: Solve for x
    x = 3,713,957,255.30/64,435.74
  6. Step 6: Final answer
    x = 57,638.16

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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.