Home / 97,429.76-134,450.45-54,408.06

Finding the Fourth Proportional to 97,429.76, 134,450.45 and 54,408.06

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Solution

The fourth proportional to 97,429.76, 134,450.45 and 54,408.06 is: 75,081.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,429.76 : 134,450.45 = 54,408.06 : x
  2. Step 2: Convert to fraction form
    97,429.76/134,450.45 = 54,408.06/x
  3. Step 3: Cross multiply
    97,429.76x = 134,450.45 × 54,408.06
  4. Step 4: Simplify right side
    97,429.76x = 7,315,187,878.59
  5. Step 5: Solve for x
    x = 7,315,187,878.59/97,429.76
  6. Step 6: Final answer
    x = 75,081.66

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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.