Home / 99,370.04-137,126.71-54,047.96

Finding the Fourth Proportional to 99,370.04, 137,126.71 and 54,047.96

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Solution

The fourth proportional to 99,370.04, 137,126.71 and 54,047.96 is: 74,584.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,370.04 : 137,126.71 = 54,047.96 : x
  2. Step 2: Convert to fraction form
    99,370.04/137,126.71 = 54,047.96/x
  3. Step 3: Cross multiply
    99,370.04x = 137,126.71 × 54,047.96
  4. Step 4: Simplify right side
    99,370.04x = 7,411,418,529.14
  5. Step 5: Solve for x
    x = 7,411,418,529.14/99,370.04
  6. Step 6: Final answer
    x = 74,584.03

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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.