Home / 88,247.07-121,780.90-47,960.84

Finding the Fourth Proportional to 88,247.07, 121,780.90 and 47,960.84

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Solution

The fourth proportional to 88,247.07, 121,780.90 and 47,960.84 is: 66,185.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,247.07 : 121,780.90 = 47,960.84 : x
  2. Step 2: Convert to fraction form
    88,247.07/121,780.90 = 47,960.84/x
  3. Step 3: Cross multiply
    88,247.07x = 121,780.90 × 47,960.84
  4. Step 4: Simplify right side
    88,247.07x = 5,840,714,624.36
  5. Step 5: Solve for x
    x = 5,840,714,624.36/88,247.07
  6. Step 6: Final answer
    x = 66,185.93

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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.