Home / 77,322.15-106,704.48-43,330.91

Finding the Fourth Proportional to 77,322.15, 106,704.48 and 43,330.91

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Solution

The fourth proportional to 77,322.15, 106,704.48 and 43,330.91 is: 59,796.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,322.15 : 106,704.48 = 43,330.91 : x
  2. Step 2: Convert to fraction form
    77,322.15/106,704.48 = 43,330.91/x
  3. Step 3: Cross multiply
    77,322.15x = 106,704.48 × 43,330.91
  4. Step 4: Simplify right side
    77,322.15x = 4,623,601,685.95
  5. Step 5: Solve for x
    x = 4,623,601,685.95/77,322.15
  6. Step 6: Final answer
    x = 59,796.60

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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.