Home / 80,348.04-120,547.98-67,336.20

Finding the Fourth Proportional to 80,348.04, 120,547.98 and 67,336.20

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Solution

The fourth proportional to 80,348.04, 120,547.98 and 67,336.20 is: 101,026.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,348.04 : 120,547.98 = 67,336.20 : x
  2. Step 2: Convert to fraction form
    80,348.04/120,547.98 = 67,336.20/x
  3. Step 3: Cross multiply
    80,348.04x = 120,547.98 × 67,336.20
  4. Step 4: Simplify right side
    80,348.04x = 8,117,242,890.88
  5. Step 5: Solve for x
    x = 8,117,242,890.88/80,348.04
  6. Step 6: Final answer
    x = 101,026.02

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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.