Home / 69,918.59-104,784.13-38,281.01

Finding the Fourth Proportional to 69,918.59, 104,784.13 and 38,281.01

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Solution

The fourth proportional to 69,918.59, 104,784.13 and 38,281.01 is: 57,370.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,918.59 : 104,784.13 = 38,281.01 : x
  2. Step 2: Convert to fraction form
    69,918.59/104,784.13 = 38,281.01/x
  3. Step 3: Cross multiply
    69,918.59x = 104,784.13 × 38,281.01
  4. Step 4: Simplify right side
    69,918.59x = 4,011,241,852.30
  5. Step 5: Solve for x
    x = 4,011,241,852.30/69,918.59
  6. Step 6: Final answer
    x = 57,370.17

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.