Home / 75,185.48-103,709.04-48,362.96

Finding the Fourth Proportional to 75,185.48, 103,709.04 and 48,362.96

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Solution

The fourth proportional to 75,185.48, 103,709.04 and 48,362.96 is: 66,710.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,185.48 : 103,709.04 = 48,362.96 : x
  2. Step 2: Convert to fraction form
    75,185.48/103,709.04 = 48,362.96/x
  3. Step 3: Cross multiply
    75,185.48x = 103,709.04 × 48,362.96
  4. Step 4: Simplify right side
    75,185.48x = 5,015,676,153.16
  5. Step 5: Solve for x
    x = 5,015,676,153.16/75,185.48
  6. Step 6: Final answer
    x = 66,710.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.