Home / 124,051.12-171,188.94-67,461.28

Finding the Fourth Proportional to 124,051.12, 171,188.94 and 67,461.28

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Solution

The fourth proportional to 124,051.12, 171,188.94 and 67,461.28 is: 93,095.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,051.12 : 171,188.94 = 67,461.28 : x
  2. Step 2: Convert to fraction form
    124,051.12/171,188.94 = 67,461.28/x
  3. Step 3: Cross multiply
    124,051.12x = 171,188.94 × 67,461.28
  4. Step 4: Simplify right side
    124,051.12x = 11,548,625,014.24
  5. Step 5: Solve for x
    x = 11,548,625,014.24/124,051.12
  6. Step 6: Final answer
    x = 93,095.69

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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.