Home / 60,534.35-90,816.08-18,981.35

Finding the Fourth Proportional to 60,534.35, 90,816.08 and 18,981.35

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Solution

The fourth proportional to 60,534.35, 90,816.08 and 18,981.35 is: 28,476.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,534.35 : 90,816.08 = 18,981.35 : x
  2. Step 2: Convert to fraction form
    60,534.35/90,816.08 = 18,981.35/x
  3. Step 3: Cross multiply
    60,534.35x = 90,816.08 × 18,981.35
  4. Step 4: Simplify right side
    60,534.35x = 1,723,811,251.12
  5. Step 5: Solve for x
    x = 1,723,811,251.12/60,534.35
  6. Step 6: Final answer
    x = 28,476.58

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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.