Home / 74,397.68-111,602.22-21,088.77

Finding the Fourth Proportional to 74,397.68, 111,602.22 and 21,088.77

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Solution

The fourth proportional to 74,397.68, 111,602.22 and 21,088.77 is: 31,634.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,397.68 : 111,602.22 = 21,088.77 : x
  2. Step 2: Convert to fraction form
    74,397.68/111,602.22 = 21,088.77/x
  3. Step 3: Cross multiply
    74,397.68x = 111,602.22 × 21,088.77
  4. Step 4: Simplify right side
    74,397.68x = 2,353,553,209.64
  5. Step 5: Solve for x
    x = 2,353,553,209.64/74,397.68
  6. Step 6: Final answer
    x = 31,634.77

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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.