Home / 99,588.68-137,431.14-54,265.51

Finding the Fourth Proportional to 99,588.68, 137,431.14 and 54,265.51

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Solution

The fourth proportional to 99,588.68, 137,431.14 and 54,265.51 is: 74,885.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,588.68 : 137,431.14 = 54,265.51 : x
  2. Step 2: Convert to fraction form
    99,588.68/137,431.14 = 54,265.51/x
  3. Step 3: Cross multiply
    99,588.68x = 137,431.14 × 54,265.51
  4. Step 4: Simplify right side
    99,588.68x = 7,457,770,214.83
  5. Step 5: Solve for x
    x = 7,457,770,214.83/99,588.68
  6. Step 6: Final answer
    x = 74,885.73

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1.5x scale

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.