Home / 71,981.35-99,366.12-46,500.13

Finding the Fourth Proportional to 71,981.35, 99,366.12 and 46,500.13

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Solution

The fourth proportional to 71,981.35, 99,366.12 and 46,500.13 is: 64,190.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,981.35 : 99,366.12 = 46,500.13 : x
  2. Step 2: Convert to fraction form
    71,981.35/99,366.12 = 46,500.13/x
  3. Step 3: Cross multiply
    71,981.35x = 99,366.12 × 46,500.13
  4. Step 4: Simplify right side
    71,981.35x = 4,620,537,497.60
  5. Step 5: Solve for x
    x = 4,620,537,497.60/71,981.35
  6. Step 6: Final answer
    x = 64,190.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.