Home / 85,343.58-127,973.25-26,164.98

Finding the Fourth Proportional to 85,343.58, 127,973.25 and 26,164.98

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Solution

The fourth proportional to 85,343.58, 127,973.25 and 26,164.98 is: 39,234.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,343.58 : 127,973.25 = 26,164.98 : x
  2. Step 2: Convert to fraction form
    85,343.58/127,973.25 = 26,164.98/x
  3. Step 3: Cross multiply
    85,343.58x = 127,973.25 × 26,164.98
  4. Step 4: Simplify right side
    85,343.58x = 3,348,417,526.79
  5. Step 5: Solve for x
    x = 3,348,417,526.79/85,343.58
  6. Step 6: Final answer
    x = 39,234.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.