Home / 99,533.64-137,353.66-54,210.64

Finding the Fourth Proportional to 99,533.64, 137,353.66 and 54,210.64

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Solution

The fourth proportional to 99,533.64, 137,353.66 and 54,210.64 is: 74,809.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,533.64 : 137,353.66 = 54,210.64 : x
  2. Step 2: Convert to fraction form
    99,533.64/137,353.66 = 54,210.64/x
  3. Step 3: Cross multiply
    99,533.64x = 137,353.66 × 54,210.64
  4. Step 4: Simplify right side
    99,533.64x = 7,446,029,814.94
  5. Step 5: Solve for x
    x = 7,446,029,814.94/99,533.64
  6. Step 6: Final answer
    x = 74,809.18

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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.