Home / 124,538.63-171,845.96-70,817.69

Finding the Fourth Proportional to 124,538.63, 171,845.96 and 70,817.69

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Solution

The fourth proportional to 124,538.63, 171,845.96 and 70,817.69 is: 97,718.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,538.63 : 171,845.96 = 70,817.69 : x
  2. Step 2: Convert to fraction form
    124,538.63/171,845.96 = 70,817.69/x
  3. Step 3: Cross multiply
    124,538.63x = 171,845.96 × 70,817.69
  4. Step 4: Simplify right side
    124,538.63x = 12,169,733,998.56
  5. Step 5: Solve for x
    x = 12,169,733,998.56/124,538.63
  6. Step 6: Final answer
    x = 97,718.55

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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.