Home / 76,264.64-105,251.04-47,994.56

Finding the Fourth Proportional to 76,264.64, 105,251.04 and 47,994.56

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Solution

The fourth proportional to 76,264.64, 105,251.04 and 47,994.56 is: 66,236.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,264.64 : 105,251.04 = 47,994.56 : x
  2. Step 2: Convert to fraction form
    76,264.64/105,251.04 = 47,994.56/x
  3. Step 3: Cross multiply
    76,264.64x = 105,251.04 × 47,994.56
  4. Step 4: Simplify right side
    76,264.64x = 5,051,477,354.34
  5. Step 5: Solve for x
    x = 5,051,477,354.34/76,264.64
  6. Step 6: Final answer
    x = 66,236.17

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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.