Home / 124,727.10-187,090.65-74,960.70

Finding the Fourth Proportional to 124,727.10, 187,090.65 and 74,960.70

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Solution

The fourth proportional to 124,727.10, 187,090.65 and 74,960.70 is: 112,441.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,727.10 : 187,090.65 = 74,960.70 : x
  2. Step 2: Convert to fraction form
    124,727.10/187,090.65 = 74,960.70/x
  3. Step 3: Cross multiply
    124,727.10x = 187,090.65 × 74,960.70
  4. Step 4: Simplify right side
    124,727.10x = 14,024,446,087.46
  5. Step 5: Solve for x
    x = 14,024,446,087.46/124,727.10
  6. Step 6: Final answer
    x = 112,441.05

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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.