Home / 85,142.24-117,482.22-51,608.24

Finding the Fourth Proportional to 85,142.24, 117,482.22 and 51,608.24

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Solution

The fourth proportional to 85,142.24, 117,482.22 and 51,608.24 is: 71,210.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,142.24 : 117,482.22 = 51,608.24 : x
  2. Step 2: Convert to fraction form
    85,142.24/117,482.22 = 51,608.24/x
  3. Step 3: Cross multiply
    85,142.24x = 117,482.22 × 51,608.24
  4. Step 4: Simplify right side
    85,142.24x = 6,063,050,018.08
  5. Step 5: Solve for x
    x = 6,063,050,018.08/85,142.24
  6. Step 6: Final answer
    x = 71,210.84

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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.