Home / 107,941.02-161,981.58-48,777.20

Finding the Fourth Proportional to 107,941.02, 161,981.58 and 48,777.20

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Solution

The fourth proportional to 107,941.02, 161,981.58 and 48,777.20 is: 73,197.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,941.02 : 161,981.58 = 48,777.20 : x
  2. Step 2: Convert to fraction form
    107,941.02/161,981.58 = 48,777.20/x
  3. Step 3: Cross multiply
    107,941.02x = 161,981.58 × 48,777.20
  4. Step 4: Simplify right side
    107,941.02x = 7,901,007,114.07
  5. Step 5: Solve for x
    x = 7,901,007,114.07/107,941.02
  6. Step 6: Final answer
    x = 73,197.45

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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.