Home / 74,401.28-102,760.36-62,345.44

Finding the Fourth Proportional to 74,401.28, 102,760.36 and 62,345.44

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Solution

The fourth proportional to 74,401.28, 102,760.36 and 62,345.44 is: 86,109.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,401.28 : 102,760.36 = 62,345.44 : x
  2. Step 2: Convert to fraction form
    74,401.28/102,760.36 = 62,345.44/x
  3. Step 3: Cross multiply
    74,401.28x = 102,760.36 × 62,345.44
  4. Step 4: Simplify right side
    74,401.28x = 6,406,639,858.76
  5. Step 5: Solve for x
    x = 6,406,639,858.76/74,401.28
  6. Step 6: Final answer
    x = 86,109.27

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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.