Home / 85,008.18-127,526.88-25,849.82

Finding the Fourth Proportional to 85,008.18, 127,526.88 and 25,849.82

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Solution

The fourth proportional to 85,008.18, 127,526.88 and 25,849.82 is: 38,779.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,008.18 : 127,526.88 = 25,849.82 : x
  2. Step 2: Convert to fraction form
    85,008.18/127,526.88 = 25,849.82/x
  3. Step 3: Cross multiply
    85,008.18x = 127,526.88 × 25,849.82
  4. Step 4: Simplify right side
    85,008.18x = 3,296,546,893.16
  5. Step 5: Solve for x
    x = 3,296,546,893.16/85,008.18
  6. Step 6: Final answer
    x = 38,779.17

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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.