Home / 76,496.16-105,535.20-56,400.84

Finding the Fourth Proportional to 76,496.16, 105,535.20 and 56,400.84

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Solution

The fourth proportional to 76,496.16, 105,535.20 and 56,400.84 is: 77,811.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,496.16 : 105,535.20 = 56,400.84 : x
  2. Step 2: Convert to fraction form
    76,496.16/105,535.20 = 56,400.84/x
  3. Step 3: Cross multiply
    76,496.16x = 105,535.20 × 56,400.84
  4. Step 4: Simplify right side
    76,496.16x = 5,952,273,929.57
  5. Step 5: Solve for x
    x = 5,952,273,929.57/76,496.16
  6. Step 6: Final answer
    x = 77,811.41

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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.