Home / 48,138.95-66,434.07-26,628.59

Finding the Fourth Proportional to 48,138.95, 66,434.07 and 26,628.59

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Solution

The fourth proportional to 48,138.95, 66,434.07 and 26,628.59 is: 36,748.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,138.95 : 66,434.07 = 26,628.59 : x
  2. Step 2: Convert to fraction form
    48,138.95/66,434.07 = 26,628.59/x
  3. Step 3: Cross multiply
    48,138.95x = 66,434.07 × 26,628.59
  4. Step 4: Simplify right side
    48,138.95x = 1,769,045,279.89
  5. Step 5: Solve for x
    x = 1,769,045,279.89/48,138.95
  6. Step 6: Final answer
    x = 36,748.73

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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.