Home / 103,711.84-143,140.21-60,098.28

Finding the Fourth Proportional to 103,711.84, 143,140.21 and 60,098.28

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Solution

The fourth proportional to 103,711.84, 143,140.21 and 60,098.28 is: 82,945.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,711.84 : 143,140.21 = 60,098.28 : x
  2. Step 2: Convert to fraction form
    103,711.84/143,140.21 = 60,098.28/x
  3. Step 3: Cross multiply
    103,711.84x = 143,140.21 × 60,098.28
  4. Step 4: Simplify right side
    103,711.84x = 8,602,479,732.82
  5. Step 5: Solve for x
    x = 8,602,479,732.82/103,711.84
  6. Step 6: Final answer
    x = 82,945.98

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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.