Home / 103,801.15-143,215.95-58,463.29

Finding the Fourth Proportional to 103,801.15, 143,215.95 and 58,463.29

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Solution

The fourth proportional to 103,801.15, 143,215.95 and 58,463.29 is: 80,662.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,801.15 : 143,215.95 = 58,463.29 : x
  2. Step 2: Convert to fraction form
    103,801.15/143,215.95 = 58,463.29/x
  3. Step 3: Cross multiply
    103,801.15x = 143,215.95 × 58,463.29
  4. Step 4: Simplify right side
    103,801.15x = 8,372,874,901.40
  5. Step 5: Solve for x
    x = 8,372,874,901.40/103,801.15
  6. Step 6: Final answer
    x = 80,662.64

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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.