Home / 44,135.58-66,178.13-14,545.47

Finding the Fourth Proportional to 44,135.58, 66,178.13 and 14,545.47

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Solution

The fourth proportional to 44,135.58, 66,178.13 and 14,545.47 is: 21,809.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,135.58 : 66,178.13 = 14,545.47 : x
  2. Step 2: Convert to fraction form
    44,135.58/66,178.13 = 14,545.47/x
  3. Step 3: Cross multiply
    44,135.58x = 66,178.13 × 14,545.47
  4. Step 4: Simplify right side
    44,135.58x = 962,591,931.84
  5. Step 5: Solve for x
    x = 962,591,931.84/44,135.58
  6. Step 6: Final answer
    x = 21,809.89

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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.