Home / 104,000.47-143,508.31-58,675.81

Finding the Fourth Proportional to 104,000.47, 143,508.31 and 58,675.81

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Solution

The fourth proportional to 104,000.47, 143,508.31 and 58,675.81 is: 80,965.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,000.47 : 143,508.31 = 58,675.81 : x
  2. Step 2: Convert to fraction form
    104,000.47/143,508.31 = 58,675.81/x
  3. Step 3: Cross multiply
    104,000.47x = 143,508.31 × 58,675.81
  4. Step 4: Simplify right side
    104,000.47x = 8,420,466,330.98
  5. Step 5: Solve for x
    x = 8,420,466,330.98/104,000.47
  6. Step 6: Final answer
    x = 80,965.66

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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.