Home / 63,666.05-95,869-47,143.13

Finding the Fourth Proportional to 63,666.05, 95,869 and 47,143.13

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Solution

The fourth proportional to 63,666.05, 95,869 and 47,143.13 is: 70,988.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,666.05 : 95,869 = 47,143.13 : x
  2. Step 2: Convert to fraction form
    63,666.05/95,869 = 47,143.13/x
  3. Step 3: Cross multiply
    63,666.05x = 95,869 × 47,143.13
  4. Step 4: Simplify right side
    63,666.05x = 4,519,564,729.97
  5. Step 5: Solve for x
    x = 4,519,564,729.97/63,666.05
  6. Step 6: Final answer
    x = 70,988.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.