Home / 61,909.48-85,435.86-33,615.64

Finding the Fourth Proportional to 61,909.48, 85,435.86 and 33,615.64

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Solution

The fourth proportional to 61,909.48, 85,435.86 and 33,615.64 is: 46,390.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,909.48 : 85,435.86 = 33,615.64 : x
  2. Step 2: Convert to fraction form
    61,909.48/85,435.86 = 33,615.64/x
  3. Step 3: Cross multiply
    61,909.48x = 85,435.86 × 33,615.64
  4. Step 4: Simplify right side
    61,909.48x = 2,871,981,112.85
  5. Step 5: Solve for x
    x = 2,871,981,112.85/61,909.48
  6. Step 6: Final answer
    x = 46,390.01

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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.