Home / 105,325.24-145,349.10-62,882.80

Finding the Fourth Proportional to 105,325.24, 145,349.10 and 62,882.80

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Solution

The fourth proportional to 105,325.24, 145,349.10 and 62,882.80 is: 86,778.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,325.24 : 145,349.10 = 62,882.80 : x
  2. Step 2: Convert to fraction form
    105,325.24/145,349.10 = 62,882.80/x
  3. Step 3: Cross multiply
    105,325.24x = 145,349.10 × 62,882.80
  4. Step 4: Simplify right side
    105,325.24x = 9,139,958,385.48
  5. Step 5: Solve for x
    x = 9,139,958,385.48/105,325.24
  6. Step 6: Final answer
    x = 86,778.42

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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.