Home / 74,951.19-103,433.76-40,960.35

Finding the Fourth Proportional to 74,951.19, 103,433.76 and 40,960.35

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Solution

The fourth proportional to 74,951.19, 103,433.76 and 40,960.35 is: 56,525.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,951.19 : 103,433.76 = 40,960.35 : x
  2. Step 2: Convert to fraction form
    74,951.19/103,433.76 = 40,960.35/x
  3. Step 3: Cross multiply
    74,951.19x = 103,433.76 × 40,960.35
  4. Step 4: Simplify right side
    74,951.19x = 4,236,683,011.42
  5. Step 5: Solve for x
    x = 4,236,683,011.42/74,951.19
  6. Step 6: Final answer
    x = 56,525.89

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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.