Home / 42,974.01-64,460.00-25,316.65

Finding the Fourth Proportional to 42,974.01, 64,460.00 and 25,316.65

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Solution

The fourth proportional to 42,974.01, 64,460.00 and 25,316.65 is: 37,974.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,974.01 : 64,460.00 = 25,316.65 : x
  2. Step 2: Convert to fraction form
    42,974.01/64,460.00 = 25,316.65/x
  3. Step 3: Cross multiply
    42,974.01x = 64,460.00 × 25,316.65
  4. Step 4: Simplify right side
    42,974.01x = 1,631,911,402.87
  5. Step 5: Solve for x
    x = 1,631,911,402.87/42,974.01
  6. Step 6: Final answer
    x = 37,974.38

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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.