Home / 93,614.85-129,188.50-51,173.38

Finding the Fourth Proportional to 93,614.85, 129,188.50 and 51,173.38

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Solution

The fourth proportional to 93,614.85, 129,188.50 and 51,173.38 is: 70,619.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,614.85 : 129,188.50 = 51,173.38 : x
  2. Step 2: Convert to fraction form
    93,614.85/129,188.50 = 51,173.38/x
  3. Step 3: Cross multiply
    93,614.85x = 129,188.50 × 51,173.38
  4. Step 4: Simplify right side
    93,614.85x = 6,611,012,202.13
  5. Step 5: Solve for x
    x = 6,611,012,202.13/93,614.85
  6. Step 6: Final answer
    x = 70,619.27

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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.