Home / 84,154.12-126,186.94-24,981.64

Finding the Fourth Proportional to 84,154.12, 126,186.94 and 24,981.64

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Solution

The fourth proportional to 84,154.12, 126,186.94 and 24,981.64 is: 37,459.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,154.12 : 126,186.94 = 24,981.64 : x
  2. Step 2: Convert to fraction form
    84,154.12/126,186.94 = 24,981.64/x
  3. Step 3: Cross multiply
    84,154.12x = 126,186.94 × 24,981.64
  4. Step 4: Simplify right side
    84,154.12x = 3,152,356,707.78
  5. Step 5: Solve for x
    x = 3,152,356,707.78/84,154.12
  6. Step 6: Final answer
    x = 37,459.33

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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.