Home / 99,327.12-137,071.30-54,004.98

Finding the Fourth Proportional to 99,327.12, 137,071.30 and 54,004.98

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Solution

The fourth proportional to 99,327.12, 137,071.30 and 54,004.98 is: 74,526.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,327.12 : 137,071.30 = 54,004.98 : x
  2. Step 2: Convert to fraction form
    99,327.12/137,071.30 = 54,004.98/x
  3. Step 3: Cross multiply
    99,327.12x = 137,071.30 × 54,004.98
  4. Step 4: Simplify right side
    99,327.12x = 7,402,532,815.07
  5. Step 5: Solve for x
    x = 7,402,532,815.07/99,327.12
  6. Step 6: Final answer
    x = 74,526.80

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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.