Home / 77,040.02-115,480.74-37,548.28

Finding the Fourth Proportional to 77,040.02, 115,480.74 and 37,548.28

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Solution

The fourth proportional to 77,040.02, 115,480.74 and 37,548.28 is: 56,283.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,040.02 : 115,480.74 = 37,548.28 : x
  2. Step 2: Convert to fraction form
    77,040.02/115,480.74 = 37,548.28/x
  3. Step 3: Cross multiply
    77,040.02x = 115,480.74 × 37,548.28
  4. Step 4: Simplify right side
    77,040.02x = 4,336,103,160.13
  5. Step 5: Solve for x
    x = 4,336,103,160.13/77,040.02
  6. Step 6: Final answer
    x = 56,283.78

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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.