Home / 76,381.38-114,633.63-52,674.30

Finding the Fourth Proportional to 76,381.38, 114,633.63 and 52,674.30

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Solution

The fourth proportional to 76,381.38, 114,633.63 and 52,674.30 is: 79,053.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,381.38 : 114,633.63 = 52,674.30 : x
  2. Step 2: Convert to fraction form
    76,381.38/114,633.63 = 52,674.30/x
  3. Step 3: Cross multiply
    76,381.38x = 114,633.63 × 52,674.30
  4. Step 4: Simplify right side
    76,381.38x = 6,038,246,216.71
  5. Step 5: Solve for x
    x = 6,038,246,216.71/76,381.38
  6. Step 6: Final answer
    x = 79,053.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.