Home / 124,741.68-187,106.88-45,850.16

Finding the Fourth Proportional to 124,741.68, 187,106.88 and 45,850.16

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Solution

The fourth proportional to 124,741.68, 187,106.88 and 45,850.16 is: 68,773.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,741.68 : 187,106.88 = 45,850.16 : x
  2. Step 2: Convert to fraction form
    124,741.68/187,106.88 = 45,850.16/x
  3. Step 3: Cross multiply
    124,741.68x = 187,106.88 × 45,850.16
  4. Step 4: Simplify right side
    124,741.68x = 8,578,880,385.10
  5. Step 5: Solve for x
    x = 8,578,880,385.10/124,741.68
  6. Step 6: Final answer
    x = 68,773.17

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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.