Home / 96,942.49-133,780.63-56,690.07

Finding the Fourth Proportional to 96,942.49, 133,780.63 and 56,690.07

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Solution

The fourth proportional to 96,942.49, 133,780.63 and 56,690.07 is: 78,232.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,942.49 : 133,780.63 = 56,690.07 : x
  2. Step 2: Convert to fraction form
    96,942.49/133,780.63 = 56,690.07/x
  3. Step 3: Cross multiply
    96,942.49x = 133,780.63 × 56,690.07
  4. Step 4: Simplify right side
    96,942.49x = 7,584,033,421.07
  5. Step 5: Solve for x
    x = 7,584,033,421.07/96,942.49
  6. Step 6: Final answer
    x = 78,232.30

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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.