Home / 93,615.19-129,189.42-51,173.72

Finding the Fourth Proportional to 93,615.19, 129,189.42 and 51,173.72

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Solution

The fourth proportional to 93,615.19, 129,189.42 and 51,173.72 is: 70,619.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,615.19 : 129,189.42 = 51,173.72 : x
  2. Step 2: Convert to fraction form
    93,615.19/129,189.42 = 51,173.72/x
  3. Step 3: Cross multiply
    93,615.19x = 129,189.42 × 51,173.72
  4. Step 4: Simplify right side
    93,615.19x = 6,611,103,044.56
  5. Step 5: Solve for x
    x = 6,611,103,044.56/93,615.19
  6. Step 6: Final answer
    x = 70,619.98

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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.