Home / 109,582.16-164,274.55-39,412.13

Finding the Fourth Proportional to 109,582.16, 164,274.55 and 39,412.13

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Solution

The fourth proportional to 109,582.16, 164,274.55 and 39,412.13 is: 59,082.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,582.16 : 164,274.55 = 39,412.13 : x
  2. Step 2: Convert to fraction form
    109,582.16/164,274.55 = 39,412.13/x
  3. Step 3: Cross multiply
    109,582.16x = 164,274.55 × 39,412.13
  4. Step 4: Simplify right side
    109,582.16x = 6,474,409,000.39
  5. Step 5: Solve for x
    x = 6,474,409,000.39/109,582.16
  6. Step 6: Final answer
    x = 59,082.69

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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.