Home / 124,405.26-171,687.51-70,690.38

Finding the Fourth Proportional to 124,405.26, 171,687.51 and 70,690.38

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Solution

The fourth proportional to 124,405.26, 171,687.51 and 70,690.38 is: 97,557.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,405.26 : 171,687.51 = 70,690.38 : x
  2. Step 2: Convert to fraction form
    124,405.26/171,687.51 = 70,690.38/x
  3. Step 3: Cross multiply
    124,405.26x = 171,687.51 × 70,690.38
  4. Step 4: Simplify right side
    124,405.26x = 12,136,655,323.15
  5. Step 5: Solve for x
    x = 12,136,655,323.15/124,405.26
  6. Step 6: Final answer
    x = 97,557.41

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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.