Home / 42,803.31-64,162.85-25,011.39

Finding the Fourth Proportional to 42,803.31, 64,162.85 and 25,011.39

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Solution

The fourth proportional to 42,803.31, 64,162.85 and 25,011.39 is: 37,492.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,803.31 : 64,162.85 = 25,011.39 : x
  2. Step 2: Convert to fraction form
    42,803.31/64,162.85 = 25,011.39/x
  3. Step 3: Cross multiply
    42,803.31x = 64,162.85 × 25,011.39
  4. Step 4: Simplify right side
    42,803.31x = 1,604,801,939.80
  5. Step 5: Solve for x
    x = 1,604,801,939.80/42,803.31
  6. Step 6: Final answer
    x = 37,492.47

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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.