Home / 76,623.40-114,935.10-53,003.80

Finding the Fourth Proportional to 76,623.40, 114,935.10 and 53,003.80

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Solution

The fourth proportional to 76,623.40, 114,935.10 and 53,003.80 is: 79,505.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,623.40 : 114,935.10 = 53,003.80 : x
  2. Step 2: Convert to fraction form
    76,623.40/114,935.10 = 53,003.80/x
  3. Step 3: Cross multiply
    76,623.40x = 114,935.10 × 53,003.80
  4. Step 4: Simplify right side
    76,623.40x = 6,091,997,053.38
  5. Step 5: Solve for x
    x = 6,091,997,053.38/76,623.40
  6. Step 6: Final answer
    x = 79,505.70

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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.