Home / 71,057.02-105,967.91-70,103.64

Finding the Fourth Proportional to 71,057.02, 105,967.91 and 70,103.64

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Solution

The fourth proportional to 71,057.02, 105,967.91 and 70,103.64 is: 104,546.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,057.02 : 105,967.91 = 70,103.64 : x
  2. Step 2: Convert to fraction form
    71,057.02/105,967.91 = 70,103.64/x
  3. Step 3: Cross multiply
    71,057.02x = 105,967.91 × 70,103.64
  4. Step 4: Simplify right side
    71,057.02x = 7,428,736,214.19
  5. Step 5: Solve for x
    x = 7,428,736,214.19/71,057.02
  6. Step 6: Final answer
    x = 104,546.13

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.