Home / 103,862.28-143,330.52-60,867.12

Finding the Fourth Proportional to 103,862.28, 143,330.52 and 60,867.12

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Solution

The fourth proportional to 103,862.28, 143,330.52 and 60,867.12 is: 83,996.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,862.28 : 143,330.52 = 60,867.12 : x
  2. Step 2: Convert to fraction form
    103,862.28/143,330.52 = 60,867.12/x
  3. Step 3: Cross multiply
    103,862.28x = 143,330.52 × 60,867.12
  4. Step 4: Simplify right side
    103,862.28x = 8,724,115,960.50
  5. Step 5: Solve for x
    x = 8,724,115,960.50/103,862.28
  6. Step 6: Final answer
    x = 83,996.96

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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.