Home / 103,429.03-142,721.98-58,096.75

Finding the Fourth Proportional to 103,429.03, 142,721.98 and 58,096.75

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Solution

The fourth proportional to 103,429.03, 142,721.98 and 58,096.75 is: 80,167.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,429.03 : 142,721.98 = 58,096.75 : x
  2. Step 2: Convert to fraction form
    103,429.03/142,721.98 = 58,096.75/x
  3. Step 3: Cross multiply
    103,429.03x = 142,721.98 × 58,096.75
  4. Step 4: Simplify right side
    103,429.03x = 8,291,683,191.57
  5. Step 5: Solve for x
    x = 8,291,683,191.57/103,429.03
  6. Step 6: Final answer
    x = 80,167.85

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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.