Home / 61,725.32-85,180.78-33,430.92

Finding the Fourth Proportional to 61,725.32, 85,180.78 and 33,430.92

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Solution

The fourth proportional to 61,725.32, 85,180.78 and 33,430.92 is: 46,134.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,725.32 : 85,180.78 = 33,430.92 : x
  2. Step 2: Convert to fraction form
    61,725.32/85,180.78 = 33,430.92/x
  3. Step 3: Cross multiply
    61,725.32x = 85,180.78 × 33,430.92
  4. Step 4: Simplify right side
    61,725.32x = 2,847,671,841.72
  5. Step 5: Solve for x
    x = 2,847,671,841.72/61,725.32
  6. Step 6: Final answer
    x = 46,134.58

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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.