Home / 45,110.12-67,669.18-11,830.08

Finding the Fourth Proportional to 45,110.12, 67,669.18 and 11,830.08

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Solution

The fourth proportional to 45,110.12, 67,669.18 and 11,830.08 is: 17,746.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,110.12 : 67,669.18 = 11,830.08 : x
  2. Step 2: Convert to fraction form
    45,110.12/67,669.18 = 11,830.08/x
  3. Step 3: Cross multiply
    45,110.12x = 67,669.18 × 11,830.08
  4. Step 4: Simplify right side
    45,110.12x = 800,531,812.93
  5. Step 5: Solve for x
    x = 800,531,812.93/45,110.12
  6. Step 6: Final answer
    x = 17,746.17

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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.