Home / 99,592.30-137,433.05-56,571.67

Finding the Fourth Proportional to 99,592.30, 137,433.05 and 56,571.67

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Solution

The fourth proportional to 99,592.30, 137,433.05 and 56,571.67 is: 78,066.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,592.30 : 137,433.05 = 56,571.67 : x
  2. Step 2: Convert to fraction form
    99,592.30/137,433.05 = 56,571.67/x
  3. Step 3: Cross multiply
    99,592.30x = 137,433.05 × 56,571.67
  4. Step 4: Simplify right side
    99,592.30x = 7,774,816,797.92
  5. Step 5: Solve for x
    x = 7,774,816,797.92/99,592.30
  6. Step 6: Final answer
    x = 78,066.44

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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.