Home / 45,887.59-68,816.80-31,190.95

Finding the Fourth Proportional to 45,887.59, 68,816.80 and 31,190.95

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Solution

The fourth proportional to 45,887.59, 68,816.80 and 31,190.95 is: 46,776.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,887.59 : 68,816.80 = 31,190.95 : x
  2. Step 2: Convert to fraction form
    45,887.59/68,816.80 = 31,190.95/x
  3. Step 3: Cross multiply
    45,887.59x = 68,816.80 × 31,190.95
  4. Step 4: Simplify right side
    45,887.59x = 2,146,461,367.96
  5. Step 5: Solve for x
    x = 2,146,461,367.96/45,887.59
  6. Step 6: Final answer
    x = 46,776.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.