Home / 124,715.32-187,091.42-45,823.40

Finding the Fourth Proportional to 124,715.32, 187,091.42 and 45,823.40

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Solution

The fourth proportional to 124,715.32, 187,091.42 and 45,823.40 is: 68,741.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,715.32 : 187,091.42 = 45,823.40 : x
  2. Step 2: Convert to fraction form
    124,715.32/187,091.42 = 45,823.40/x
  3. Step 3: Cross multiply
    124,715.32x = 187,091.42 × 45,823.40
  4. Step 4: Simplify right side
    124,715.32x = 8,573,164,975.23
  5. Step 5: Solve for x
    x = 8,573,164,975.23/124,715.32
  6. Step 6: Final answer
    x = 68,741.88

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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.