Home / 103,796.04-143,237.85-58,488.60

Finding the Fourth Proportional to 103,796.04, 143,237.85 and 58,488.60

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Solution

The fourth proportional to 103,796.04, 143,237.85 and 58,488.60 is: 80,713.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,796.04 : 143,237.85 = 58,488.60 : x
  2. Step 2: Convert to fraction form
    103,796.04/143,237.85 = 58,488.60/x
  3. Step 3: Cross multiply
    103,796.04x = 143,237.85 × 58,488.60
  4. Step 4: Simplify right side
    103,796.04x = 8,377,781,313.51
  5. Step 5: Solve for x
    x = 8,377,781,313.51/103,796.04
  6. Step 6: Final answer
    x = 80,713.88

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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.