Home / 77,405.40-116,124.30-24,820.20

Finding the Fourth Proportional to 77,405.40, 116,124.30 and 24,820.20

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Solution

The fourth proportional to 77,405.40, 116,124.30 and 24,820.20 is: 37,235.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,405.40 : 116,124.30 = 24,820.20 : x
  2. Step 2: Convert to fraction form
    77,405.40/116,124.30 = 24,820.20/x
  3. Step 3: Cross multiply
    77,405.40x = 116,124.30 × 24,820.20
  4. Step 4: Simplify right side
    77,405.40x = 2,882,228,350.86
  5. Step 5: Solve for x
    x = 2,882,228,350.86/77,405.40
  6. Step 6: Final answer
    x = 37,235.49

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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.