Home / 86,522.51-129,682.01-39,082.23

Finding the Fourth Proportional to 86,522.51, 129,682.01 and 39,082.23

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Solution

The fourth proportional to 86,522.51, 129,682.01 and 39,082.23 is: 58,577.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,522.51 : 129,682.01 = 39,082.23 : x
  2. Step 2: Convert to fraction form
    86,522.51/129,682.01 = 39,082.23/x
  3. Step 3: Cross multiply
    86,522.51x = 129,682.01 × 39,082.23
  4. Step 4: Simplify right side
    86,522.51x = 5,068,262,239.39
  5. Step 5: Solve for x
    x = 5,068,262,239.39/86,522.51
  6. Step 6: Final answer
    x = 58,577.38

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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.