Home / 74,181.96-102,384.58-47,332.84

Finding the Fourth Proportional to 74,181.96, 102,384.58 and 47,332.84

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Solution

The fourth proportional to 74,181.96, 102,384.58 and 47,332.84 is: 65,327.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,181.96 : 102,384.58 = 47,332.84 : x
  2. Step 2: Convert to fraction form
    74,181.96/102,384.58 = 47,332.84/x
  3. Step 3: Cross multiply
    74,181.96x = 102,384.58 × 47,332.84
  4. Step 4: Simplify right side
    74,181.96x = 4,846,152,943.61
  5. Step 5: Solve for x
    x = 4,846,152,943.61/74,181.96
  6. Step 6: Final answer
    x = 65,327.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.