Home / 91,074.48-136,628.14-41,178.06

Finding the Fourth Proportional to 91,074.48, 136,628.14 and 41,178.06

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Solution

The fourth proportional to 91,074.48, 136,628.14 and 41,178.06 is: 61,774.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,074.48 : 136,628.14 = 41,178.06 : x
  2. Step 2: Convert to fraction form
    91,074.48/136,628.14 = 41,178.06/x
  3. Step 3: Cross multiply
    91,074.48x = 136,628.14 × 41,178.06
  4. Step 4: Simplify right side
    91,074.48x = 5,626,081,746.61
  5. Step 5: Solve for x
    x = 5,626,081,746.61/91,074.48
  6. Step 6: Final answer
    x = 61,774.51

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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.