Home / 102,667.39-141,672.99-59,639.76

Finding the Fourth Proportional to 102,667.39, 141,672.99 and 59,639.76

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Solution

The fourth proportional to 102,667.39, 141,672.99 and 59,639.76 is: 82,298.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,667.39 : 141,672.99 = 59,639.76 : x
  2. Step 2: Convert to fraction form
    102,667.39/141,672.99 = 59,639.76/x
  3. Step 3: Cross multiply
    102,667.39x = 141,672.99 × 59,639.76
  4. Step 4: Simplify right side
    102,667.39x = 8,449,343,122.08
  5. Step 5: Solve for x
    x = 8,449,343,122.08/102,667.39
  6. Step 6: Final answer
    x = 82,298.22

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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.