Home / 75,188.08-103,788.84-43,384.24

Finding the Fourth Proportional to 75,188.08, 103,788.84 and 43,384.24

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Solution

The fourth proportional to 75,188.08, 103,788.84 and 43,384.24 is: 59,887.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,188.08 : 103,788.84 = 43,384.24 : x
  2. Step 2: Convert to fraction form
    75,188.08/103,788.84 = 43,384.24/x
  3. Step 3: Cross multiply
    75,188.08x = 103,788.84 × 43,384.24
  4. Step 4: Simplify right side
    75,188.08x = 4,502,799,943.88
  5. Step 5: Solve for x
    x = 4,502,799,943.88/75,188.08
  6. Step 6: Final answer
    x = 59,887.15

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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.