Home / 101,519.30-140,094.60-56,197.28

Finding the Fourth Proportional to 101,519.30, 140,094.60 and 56,197.28

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Solution

The fourth proportional to 101,519.30, 140,094.60 and 56,197.28 is: 77,551.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,519.30 : 140,094.60 = 56,197.28 : x
  2. Step 2: Convert to fraction form
    101,519.30/140,094.60 = 56,197.28/x
  3. Step 3: Cross multiply
    101,519.30x = 140,094.60 × 56,197.28
  4. Step 4: Simplify right side
    101,519.30x = 7,872,934,762.22
  5. Step 5: Solve for x
    x = 7,872,934,762.22/101,519.30
  6. Step 6: Final answer
    x = 77,551.12

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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.