Home / 45,029.39-67,547.45-13,436.96

Finding the Fourth Proportional to 45,029.39, 67,547.45 and 13,436.96

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Solution

The fourth proportional to 45,029.39, 67,547.45 and 13,436.96 is: 20,156.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,029.39 : 67,547.45 = 13,436.96 : x
  2. Step 2: Convert to fraction form
    45,029.39/67,547.45 = 13,436.96/x
  3. Step 3: Cross multiply
    45,029.39x = 67,547.45 × 13,436.96
  4. Step 4: Simplify right side
    45,029.39x = 907,632,079.61
  5. Step 5: Solve for x
    x = 907,632,079.61/45,029.39
  6. Step 6: Final answer
    x = 20,156.44

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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.