Home / 107,768.04-161,670.12-48,602.40

Finding the Fourth Proportional to 107,768.04, 161,670.12 and 48,602.40

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Solution

The fourth proportional to 107,768.04, 161,670.12 and 48,602.40 is: 72,911.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,768.04 : 161,670.12 = 48,602.40 : x
  2. Step 2: Convert to fraction form
    107,768.04/161,670.12 = 48,602.40/x
  3. Step 3: Cross multiply
    107,768.04x = 161,670.12 × 48,602.40
  4. Step 4: Simplify right side
    107,768.04x = 7,857,555,840.29
  5. Step 5: Solve for x
    x = 7,857,555,840.29/107,768.04
  6. Step 6: Final answer
    x = 72,911.74

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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.