Home / 79,187.32-109,237.07-48,962.98

Finding the Fourth Proportional to 79,187.32, 109,237.07 and 48,962.98

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Solution

The fourth proportional to 79,187.32, 109,237.07 and 48,962.98 is: 67,543.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,187.32 : 109,237.07 = 48,962.98 : x
  2. Step 2: Convert to fraction form
    79,187.32/109,237.07 = 48,962.98/x
  3. Step 3: Cross multiply
    79,187.32x = 109,237.07 × 48,962.98
  4. Step 4: Simplify right side
    79,187.32x = 5,348,571,682.67
  5. Step 5: Solve for x
    x = 5,348,571,682.67/79,187.32
  6. Step 6: Final answer
    x = 67,543.29

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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.