Home / 55,514.10-83,271.15-45,672.60

Finding the Fourth Proportional to 55,514.10, 83,271.15 and 45,672.60

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Solution

The fourth proportional to 55,514.10, 83,271.15 and 45,672.60 is: 68,508.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,514.10 : 83,271.15 = 45,672.60 : x
  2. Step 2: Convert to fraction form
    55,514.10/83,271.15 = 45,672.60/x
  3. Step 3: Cross multiply
    55,514.10x = 83,271.15 × 45,672.60
  4. Step 4: Simplify right side
    55,514.10x = 3,803,209,925.49
  5. Step 5: Solve for x
    x = 3,803,209,925.49/55,514.10
  6. Step 6: Final answer
    x = 68,508.90

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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.