Home / 99,443.49-137,208.07-58,609.25

Finding the Fourth Proportional to 99,443.49, 137,208.07 and 58,609.25

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Solution

The fourth proportional to 99,443.49, 137,208.07 and 58,609.25 is: 80,866.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,443.49 : 137,208.07 = 58,609.25 : x
  2. Step 2: Convert to fraction form
    99,443.49/137,208.07 = 58,609.25/x
  3. Step 3: Cross multiply
    99,443.49x = 137,208.07 × 58,609.25
  4. Step 4: Simplify right side
    99,443.49x = 8,041,661,244.08
  5. Step 5: Solve for x
    x = 8,041,661,244.08/99,443.49
  6. Step 6: Final answer
    x = 80,866.64

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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.