Home / 94,123.26-129,841.11-76,238.46

Finding the Fourth Proportional to 94,123.26, 129,841.11 and 76,238.46

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Solution

The fourth proportional to 94,123.26, 129,841.11 and 76,238.46 is: 105,169.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,123.26 : 129,841.11 = 76,238.46 : x
  2. Step 2: Convert to fraction form
    94,123.26/129,841.11 = 76,238.46/x
  3. Step 3: Cross multiply
    94,123.26x = 129,841.11 × 76,238.46
  4. Step 4: Simplify right side
    94,123.26x = 9,898,886,271.09
  5. Step 5: Solve for x
    x = 9,898,886,271.09/94,123.26
  6. Step 6: Final answer
    x = 105,169.39

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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.