Home / 99,344.63-137,091.40-56,327.02

Finding the Fourth Proportional to 99,344.63, 137,091.40 and 56,327.02

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Solution

The fourth proportional to 99,344.63, 137,091.40 and 56,327.02 is: 77,728.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,344.63 : 137,091.40 = 56,327.02 : x
  2. Step 2: Convert to fraction form
    99,344.63/137,091.40 = 56,327.02/x
  3. Step 3: Cross multiply
    99,344.63x = 137,091.40 × 56,327.02
  4. Step 4: Simplify right side
    99,344.63x = 7,721,949,546.08
  5. Step 5: Solve for x
    x = 7,721,949,546.08/99,344.63
  6. Step 6: Final answer
    x = 77,728.91

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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.