Home / 77,738.59-107,281.33-43,748.29

Finding the Fourth Proportional to 77,738.59, 107,281.33 and 43,748.29

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Solution

The fourth proportional to 77,738.59, 107,281.33 and 43,748.29 is: 60,373.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,738.59 : 107,281.33 = 43,748.29 : x
  2. Step 2: Convert to fraction form
    77,738.59/107,281.33 = 43,748.29/x
  3. Step 3: Cross multiply
    77,738.59x = 107,281.33 × 43,748.29
  4. Step 4: Simplify right side
    77,738.59x = 4,693,374,761.16
  5. Step 5: Solve for x
    x = 4,693,374,761.16/77,738.59
  6. Step 6: Final answer
    x = 60,373.81

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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.