Home / 70,382.28-97,090.74-43,516.20

Finding the Fourth Proportional to 70,382.28, 97,090.74 and 43,516.20

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Solution

The fourth proportional to 70,382.28, 97,090.74 and 43,516.20 is: 60,029.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,382.28 : 97,090.74 = 43,516.20 : x
  2. Step 2: Convert to fraction form
    70,382.28/97,090.74 = 43,516.20/x
  3. Step 3: Cross multiply
    70,382.28x = 97,090.74 × 43,516.20
  4. Step 4: Simplify right side
    70,382.28x = 4,225,020,059.99
  5. Step 5: Solve for x
    x = 4,225,020,059.99/70,382.28
  6. Step 6: Final answer
    x = 60,029.60

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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.