Home / 77,174.02-115,763.46-26,572.51

Finding the Fourth Proportional to 77,174.02, 115,763.46 and 26,572.51

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Solution

The fourth proportional to 77,174.02, 115,763.46 and 26,572.51 is: 39,859.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,174.02 : 115,763.46 = 26,572.51 : x
  2. Step 2: Convert to fraction form
    77,174.02/115,763.46 = 26,572.51/x
  3. Step 3: Cross multiply
    77,174.02x = 115,763.46 × 26,572.51
  4. Step 4: Simplify right side
    77,174.02x = 3,076,125,698.48
  5. Step 5: Solve for x
    x = 3,076,125,698.48/77,174.02
  6. Step 6: Final answer
    x = 39,859.60

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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.