Home / 52,643.58-78,996.48-19,387.02

Finding the Fourth Proportional to 52,643.58, 78,996.48 and 19,387.02

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Solution

The fourth proportional to 52,643.58, 78,996.48 and 19,387.02 is: 29,091.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,643.58 : 78,996.48 = 19,387.02 : x
  2. Step 2: Convert to fraction form
    52,643.58/78,996.48 = 19,387.02/x
  3. Step 3: Cross multiply
    52,643.58x = 78,996.48 × 19,387.02
  4. Step 4: Simplify right side
    52,643.58x = 1,531,506,337.69
  5. Step 5: Solve for x
    x = 1,531,506,337.69/52,643.58
  6. Step 6: Final answer
    x = 29,091.99

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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.