Home / 57,124.02-78,821.76-35,888.25

Finding the Fourth Proportional to 57,124.02, 78,821.76 and 35,888.25

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Solution

The fourth proportional to 57,124.02, 78,821.76 and 35,888.25 is: 49,519.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,124.02 : 78,821.76 = 35,888.25 : x
  2. Step 2: Convert to fraction form
    57,124.02/78,821.76 = 35,888.25/x
  3. Step 3: Cross multiply
    57,124.02x = 78,821.76 × 35,888.25
  4. Step 4: Simplify right side
    57,124.02x = 2,828,775,028.32
  5. Step 5: Solve for x
    x = 2,828,775,028.32/57,124.02
  6. Step 6: Final answer
    x = 49,519.89

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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.