Home / 76,443.40-114,665.10-52,823.80

Finding the Fourth Proportional to 76,443.40, 114,665.10 and 52,823.80

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Solution

The fourth proportional to 76,443.40, 114,665.10 and 52,823.80 is: 79,235.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,443.40 : 114,665.10 = 52,823.80 : x
  2. Step 2: Convert to fraction form
    76,443.40/114,665.10 = 52,823.80/x
  3. Step 3: Cross multiply
    76,443.40x = 114,665.10 × 52,823.80
  4. Step 4: Simplify right side
    76,443.40x = 6,057,046,309.38
  5. Step 5: Solve for x
    x = 6,057,046,309.38/76,443.40
  6. Step 6: Final answer
    x = 79,235.70

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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.