Home / 70,281.38-105,433.02-22,885.28

Finding the Fourth Proportional to 70,281.38, 105,433.02 and 22,885.28

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Solution

The fourth proportional to 70,281.38, 105,433.02 and 22,885.28 is: 34,331.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,281.38 : 105,433.02 = 22,885.28 : x
  2. Step 2: Convert to fraction form
    70,281.38/105,433.02 = 22,885.28/x
  3. Step 3: Cross multiply
    70,281.38x = 105,433.02 × 22,885.28
  4. Step 4: Simplify right side
    70,281.38x = 2,412,863,656.78
  5. Step 5: Solve for x
    x = 2,412,863,656.78/70,281.38
  6. Step 6: Final answer
    x = 34,331.48

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.