Home / 53,414.15-73,703.33-30,748.76

Finding the Fourth Proportional to 53,414.15, 73,703.33 and 30,748.76

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Solution

The fourth proportional to 53,414.15, 73,703.33 and 30,748.76 is: 42,428.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,414.15 : 73,703.33 = 30,748.76 : x
  2. Step 2: Convert to fraction form
    53,414.15/73,703.33 = 30,748.76/x
  3. Step 3: Cross multiply
    53,414.15x = 73,703.33 × 30,748.76
  4. Step 4: Simplify right side
    53,414.15x = 2,266,286,005.37
  5. Step 5: Solve for x
    x = 2,266,286,005.37/53,414.15
  6. Step 6: Final answer
    x = 42,428.57

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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.