Home / 99,526.58-137,346.80-54,204.64

Finding the Fourth Proportional to 99,526.58, 137,346.80 and 54,204.64

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Solution

The fourth proportional to 99,526.58, 137,346.80 and 54,204.64 is: 74,802.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,526.58 : 137,346.80 = 54,204.64 : x
  2. Step 2: Convert to fraction form
    99,526.58/137,346.80 = 54,204.64/x
  3. Step 3: Cross multiply
    99,526.58x = 137,346.80 × 54,204.64
  4. Step 4: Simplify right side
    99,526.58x = 7,444,833,849.15
  5. Step 5: Solve for x
    x = 7,444,833,849.15/99,526.58
  6. Step 6: Final answer
    x = 74,802.47

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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.