Home / 77,526.62-107,003.39-47,305.45

Finding the Fourth Proportional to 77,526.62, 107,003.39 and 47,305.45

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Solution

The fourth proportional to 77,526.62, 107,003.39 and 47,305.45 is: 65,291.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,526.62 : 107,003.39 = 47,305.45 : x
  2. Step 2: Convert to fraction form
    77,526.62/107,003.39 = 47,305.45/x
  3. Step 3: Cross multiply
    77,526.62x = 107,003.39 × 47,305.45
  4. Step 4: Simplify right side
    77,526.62x = 5,061,843,515.48
  5. Step 5: Solve for x
    x = 5,061,843,515.48/77,526.62
  6. Step 6: Final answer
    x = 65,291.68

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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.