Home / 61,909.50-85,434.71-33,615.19

Finding the Fourth Proportional to 61,909.50, 85,434.71 and 33,615.19

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Solution

The fourth proportional to 61,909.50, 85,434.71 and 33,615.19 is: 46,388.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,909.50 : 85,434.71 = 33,615.19 : x
  2. Step 2: Convert to fraction form
    61,909.50/85,434.71 = 33,615.19/x
  3. Step 3: Cross multiply
    61,909.50x = 85,434.71 × 33,615.19
  4. Step 4: Simplify right side
    61,909.50x = 2,871,904,009.24
  5. Step 5: Solve for x
    x = 2,871,904,009.24/61,909.50
  6. Step 6: Final answer
    x = 46,388.75

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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.