Home / 77,200.02-115,763.04-37,710.90

Finding the Fourth Proportional to 77,200.02, 115,763.04 and 37,710.90

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Solution

The fourth proportional to 77,200.02, 115,763.04 and 37,710.90 is: 56,548.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,200.02 : 115,763.04 = 37,710.90 : x
  2. Step 2: Convert to fraction form
    77,200.02/115,763.04 = 37,710.90/x
  3. Step 3: Cross multiply
    77,200.02x = 115,763.04 × 37,710.90
  4. Step 4: Simplify right side
    77,200.02x = 4,365,528,425.14
  5. Step 5: Solve for x
    x = 4,365,528,425.14/77,200.02
  6. Step 6: Final answer
    x = 56,548.28

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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.