Home / 75,070.72-103,582.02-43,231.24

Finding the Fourth Proportional to 75,070.72, 103,582.02 and 43,231.24

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Solution

The fourth proportional to 75,070.72, 103,582.02 and 43,231.24 is: 59,650.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,070.72 : 103,582.02 = 43,231.24 : x
  2. Step 2: Convert to fraction form
    75,070.72/103,582.02 = 43,231.24/x
  3. Step 3: Cross multiply
    75,070.72x = 103,582.02 × 43,231.24
  4. Step 4: Simplify right side
    75,070.72x = 4,477,979,166.30
  5. Step 5: Solve for x
    x = 4,477,979,166.30/75,070.72
  6. Step 6: Final answer
    x = 59,650.14

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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.