Home / 86,341.06-129,477.57-41,954.68

Finding the Fourth Proportional to 86,341.06, 129,477.57 and 41,954.68

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Solution

The fourth proportional to 86,341.06, 129,477.57 and 41,954.68 is: 62,915.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,341.06 : 129,477.57 = 41,954.68 : x
  2. Step 2: Convert to fraction form
    86,341.06/129,477.57 = 41,954.68/x
  3. Step 3: Cross multiply
    86,341.06x = 129,477.57 × 41,954.68
  4. Step 4: Simplify right side
    86,341.06x = 5,432,190,016.53
  5. Step 5: Solve for x
    x = 5,432,190,016.53/86,341.06
  6. Step 6: Final answer
    x = 62,915.49

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1.5x scale

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.