Home / 76,278.30-114,417.45-51,395.10

Finding the Fourth Proportional to 76,278.30, 114,417.45 and 51,395.10

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Solution

The fourth proportional to 76,278.30, 114,417.45 and 51,395.10 is: 77,092.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,278.30 : 114,417.45 = 51,395.10 : x
  2. Step 2: Convert to fraction form
    76,278.30/114,417.45 = 51,395.10/x
  3. Step 3: Cross multiply
    76,278.30x = 114,417.45 × 51,395.10
  4. Step 4: Simplify right side
    76,278.30x = 5,880,496,284.50
  5. Step 5: Solve for x
    x = 5,880,496,284.50/76,278.30
  6. Step 6: Final answer
    x = 77,092.65

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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.