Home / 79,514.10-119,271.15-76,101.30

Finding the Fourth Proportional to 79,514.10, 119,271.15 and 76,101.30

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Solution

The fourth proportional to 79,514.10, 119,271.15 and 76,101.30 is: 114,151.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,514.10 : 119,271.15 = 76,101.30 : x
  2. Step 2: Convert to fraction form
    79,514.10/119,271.15 = 76,101.30/x
  3. Step 3: Cross multiply
    79,514.10x = 119,271.15 × 76,101.30
  4. Step 4: Simplify right side
    79,514.10x = 9,076,689,567.50
  5. Step 5: Solve for x
    x = 9,076,689,567.50/79,514.10
  6. Step 6: Final answer
    x = 114,151.95

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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.