Home / 77,127.21-115,703.78-24,552.81

Finding the Fourth Proportional to 77,127.21, 115,703.78 and 24,552.81

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Solution

The fourth proportional to 77,127.21, 115,703.78 and 24,552.81 is: 36,833.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,127.21 : 115,703.78 = 24,552.81 : x
  2. Step 2: Convert to fraction form
    77,127.21/115,703.78 = 24,552.81/x
  3. Step 3: Cross multiply
    77,127.21x = 115,703.78 × 24,552.81
  4. Step 4: Simplify right side
    77,127.21x = 2,840,852,803.86
  5. Step 5: Solve for x
    x = 2,840,852,803.86/77,127.21
  6. Step 6: Final answer
    x = 36,833.34

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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.