Home / 45,154.61-62,343.49-28,165.67

Finding the Fourth Proportional to 45,154.61, 62,343.49 and 28,165.67

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Solution

The fourth proportional to 45,154.61, 62,343.49 and 28,165.67 is: 38,887.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,154.61 : 62,343.49 = 28,165.67 : x
  2. Step 2: Convert to fraction form
    45,154.61/62,343.49 = 28,165.67/x
  3. Step 3: Cross multiply
    45,154.61x = 62,343.49 × 28,165.67
  4. Step 4: Simplify right side
    45,154.61x = 1,755,945,854.27
  5. Step 5: Solve for x
    x = 1,755,945,854.27/45,154.61
  6. Step 6: Final answer
    x = 38,887.41

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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.