Home / 96,411.88-133,051.46-56,139.76

Finding the Fourth Proportional to 96,411.88, 133,051.46 and 56,139.76

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Solution

The fourth proportional to 96,411.88, 133,051.46 and 56,139.76 is: 77,474.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,411.88 : 133,051.46 = 56,139.76 : x
  2. Step 2: Convert to fraction form
    96,411.88/133,051.46 = 56,139.76/x
  3. Step 3: Cross multiply
    96,411.88x = 133,051.46 × 56,139.76
  4. Step 4: Simplify right side
    96,411.88x = 7,469,477,032.05
  5. Step 5: Solve for x
    x = 7,469,477,032.05/96,411.88
  6. Step 6: Final answer
    x = 77,474.65

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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.