Home / 58,675.28-80,971.72-31,817.70

Finding the Fourth Proportional to 58,675.28, 80,971.72 and 31,817.70

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Solution

The fourth proportional to 58,675.28, 80,971.72 and 31,817.70 is: 43,908.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,675.28 : 80,971.72 = 31,817.70 : x
  2. Step 2: Convert to fraction form
    58,675.28/80,971.72 = 31,817.70/x
  3. Step 3: Cross multiply
    58,675.28x = 80,971.72 × 31,817.70
  4. Step 4: Simplify right side
    58,675.28x = 2,576,333,815.90
  5. Step 5: Solve for x
    x = 2,576,333,815.90/58,675.28
  6. Step 6: Final answer
    x = 43,908.34

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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.