Home / 67,434.08-101,069.20-47,718.40

Finding the Fourth Proportional to 67,434.08, 101,069.20 and 47,718.40

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Solution

The fourth proportional to 67,434.08, 101,069.20 and 47,718.40 is: 71,519.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,434.08 : 101,069.20 = 47,718.40 : x
  2. Step 2: Convert to fraction form
    67,434.08/101,069.20 = 47,718.40/x
  3. Step 3: Cross multiply
    67,434.08x = 101,069.20 × 47,718.40
  4. Step 4: Simplify right side
    67,434.08x = 4,822,860,513.28
  5. Step 5: Solve for x
    x = 4,822,860,513.28/67,434.08
  6. Step 6: Final answer
    x = 71,519.63

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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.