Home / 92,519.32-127,679.01-56,729.06

Finding the Fourth Proportional to 92,519.32, 127,679.01 and 56,729.06

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Solution

The fourth proportional to 92,519.32, 127,679.01 and 56,729.06 is: 78,287.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,519.32 : 127,679.01 = 56,729.06 : x
  2. Step 2: Convert to fraction form
    92,519.32/127,679.01 = 56,729.06/x
  3. Step 3: Cross multiply
    92,519.32x = 127,679.01 × 56,729.06
  4. Step 4: Simplify right side
    92,519.32x = 7,243,110,219.03
  5. Step 5: Solve for x
    x = 7,243,110,219.03/92,519.32
  6. Step 6: Final answer
    x = 78,287.54

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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.