Home / 77,530.08-107,003.22-47,333.01

Finding the Fourth Proportional to 77,530.08, 107,003.22 and 47,333.01

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Solution

The fourth proportional to 77,530.08, 107,003.22 and 47,333.01 is: 65,326.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,530.08 : 107,003.22 = 47,333.01 : x
  2. Step 2: Convert to fraction form
    77,530.08/107,003.22 = 47,333.01/x
  3. Step 3: Cross multiply
    77,530.08x = 107,003.22 × 47,333.01
  4. Step 4: Simplify right side
    77,530.08x = 5,064,784,482.29
  5. Step 5: Solve for x
    x = 5,064,784,482.29/77,530.08
  6. Step 6: Final answer
    x = 65,326.70

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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.