Home / 91,071.48-136,623.64-41,175.06

Finding the Fourth Proportional to 91,071.48, 136,623.64 and 41,175.06

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Solution

The fourth proportional to 91,071.48, 136,623.64 and 41,175.06 is: 61,770.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,071.48 : 136,623.64 = 41,175.06 : x
  2. Step 2: Convert to fraction form
    91,071.48/136,623.64 = 41,175.06/x
  3. Step 3: Cross multiply
    91,071.48x = 136,623.64 × 41,175.06
  4. Step 4: Simplify right side
    91,071.48x = 5,625,486,574.42
  5. Step 5: Solve for x
    x = 5,625,486,574.42/91,071.48
  6. Step 6: Final answer
    x = 61,770.01

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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.