Home / 109,920.96-164,784.16-52,966.08

Finding the Fourth Proportional to 109,920.96, 164,784.16 and 52,966.08

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Solution

The fourth proportional to 109,920.96, 164,784.16 and 52,966.08 is: 79,402.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,920.96 : 164,784.16 = 52,966.08 : x
  2. Step 2: Convert to fraction form
    109,920.96/164,784.16 = 52,966.08/x
  3. Step 3: Cross multiply
    109,920.96x = 164,784.16 × 52,966.08
  4. Step 4: Simplify right side
    109,920.96x = 8,727,971,001.29
  5. Step 5: Solve for x
    x = 8,727,971,001.29/109,920.96
  6. Step 6: Final answer
    x = 79,402.25

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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.