Home / 110,420.70-152,381.30-62,674.85

Finding the Fourth Proportional to 110,420.70, 152,381.30 and 62,674.85

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Solution

The fourth proportional to 110,420.70, 152,381.30 and 62,674.85 is: 86,491.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,420.70 : 152,381.30 = 62,674.85 : x
  2. Step 2: Convert to fraction form
    110,420.70/152,381.30 = 62,674.85/x
  3. Step 3: Cross multiply
    110,420.70x = 152,381.30 × 62,674.85
  4. Step 4: Simplify right side
    110,420.70x = 9,550,474,045.02
  5. Step 5: Solve for x
    x = 9,550,474,045.02/110,420.70
  6. Step 6: Final answer
    x = 86,491.70

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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.