Home / 84,835.04-127,254.38-25,670.61

Finding the Fourth Proportional to 84,835.04, 127,254.38 and 25,670.61

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Solution

The fourth proportional to 84,835.04, 127,254.38 and 25,670.61 is: 38,506.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,835.04 : 127,254.38 = 25,670.61 : x
  2. Step 2: Convert to fraction form
    84,835.04/127,254.38 = 25,670.61/x
  3. Step 3: Cross multiply
    84,835.04x = 127,254.38 × 25,670.61
  4. Step 4: Simplify right side
    84,835.04x = 3,266,697,431.42
  5. Step 5: Solve for x
    x = 3,266,697,431.42/84,835.04
  6. Step 6: Final answer
    x = 38,506.47

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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.