Home / 101,519.37-140,095.04-56,196.40

Finding the Fourth Proportional to 101,519.37, 140,095.04 and 56,196.40

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Solution

The fourth proportional to 101,519.37, 140,095.04 and 56,196.40 is: 77,550.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,519.37 : 140,095.04 = 56,196.40 : x
  2. Step 2: Convert to fraction form
    101,519.37/140,095.04 = 56,196.40/x
  3. Step 3: Cross multiply
    101,519.37x = 140,095.04 × 56,196.40
  4. Step 4: Simplify right side
    101,519.37x = 7,872,835,924.40
  5. Step 5: Solve for x
    x = 7,872,835,924.40/101,519.37
  6. Step 6: Final answer
    x = 77,550.09

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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.