Home / 124,606-171,896.40-81,566.52

Finding the Fourth Proportional to 124,606, 171,896.40 and 81,566.52

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Solution

The fourth proportional to 124,606, 171,896.40 and 81,566.52 is: 112,522.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,606 : 171,896.40 = 81,566.52 : x
  2. Step 2: Convert to fraction form
    124,606/171,896.40 = 81,566.52/x
  3. Step 3: Cross multiply
    124,606x = 171,896.40 × 81,566.52
  4. Step 4: Simplify right side
    124,606x = 14,020,991,148.53
  5. Step 5: Solve for x
    x = 14,020,991,148.53/124,606
  6. Step 6: Final answer
    x = 112,522.60

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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.